Debt (Details) - USD ($)
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3 Months Ended |
12 Months Ended |
Mar. 12, 2018 |
Nov. 10, 2017 |
Mar. 10, 2017 |
Dec. 05, 2016 |
Sep. 23, 2016 |
Jul. 26, 2016 |
Dec. 14, 2015 |
Jun. 03, 2013 |
Feb. 03, 2018 |
Nov. 03, 2018 |
Oct. 28, 2017 |
Oct. 29, 2016 |
Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 6,375,000,000
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$ 7,900,000,000
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Semi-annual fixed interest payments |
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semi-annual fixed interest payments due on June 5 and December 5 of each year, commencing June 5, 2017
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364-day senior unsecured bridge facility maximum aggregate principal amount |
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$ 7,500,000,000
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90-day senior unsecured bridge facility maximum aggregate principal amount |
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$ 4,100,000,000
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3-year unsecured term loan facility principal amount |
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$ 2,500,000,000
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5-year unsecured term loan facility principal amount |
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2,500,000,000
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Debt issuance costs, net |
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11,500,000
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Repayments of debt |
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2,275,000,000
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5,050,000,000
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$ 0
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Proceeds from debt |
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743,778,000
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11,156,164,000
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$ 1,235,331,000
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Debt, current |
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$ 67,000,000
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2.875% Senior unsecured notes due June 1, 2023 [Member] |
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Debt Instrument [Line Items] |
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Maturity date of senior unsecured notes |
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Jun. 01, 2023
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Semi-annual fixed interest payments |
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semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
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Net proceeds of notes offering |
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$ 493,900,000
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Senior Notes [Member] | 3.0% Senior unsecured notes due April 15, 2016 [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, covenant compliance |
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compliant with these covenants
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Senior Notes [Member] | 3.9% Senior unsecured notes due December 15, 2025 [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, covenant compliance |
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compliant with these covenants
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Senior Notes [Member] | Senior unsecured notes due December 5, 2021, December 5, 2023, December 5, 2026 and December 5, 2036 [Member] |
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Debt Instrument [Line Items] |
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Net proceeds of notes offering |
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$ 2,100,000,000
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3.9% Senior unsecured notes due December 15, 2025 [Member] |
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Debt Instrument [Line Items] |
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Maturity date of senior unsecured notes |
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Dec. 15, 2025
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Semi-annual fixed interest payments |
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semi-annual fixed interest payments due on June 15 and December 15 of each year, commencing June 15, 2016
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Net proceeds of notes offering |
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$ 1,200,000,000
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5.3% Senior unsecured notes due December 15, 2045 [Member] |
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Debt Instrument [Line Items] |
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Maturity date of senior unsecured notes |
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Dec. 15, 2045
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Bridge Loan [Member] |
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Debt Instrument [Line Items] |
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Unamortized bridge fees |
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$ 7,200,000
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13,700,000
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Bridge Loan [Member] | Senior Unsecured Bridge Facility, Ninety Days [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, term |
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90 days
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90 days
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Bridge Loan [Member] | Senior Unsecured Bridge Facility, Three Hundred Sixty Four Days [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, term |
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364 days
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Debt related commitment fees and debt issuance costs |
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27,500,000
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Bridge financing commitments |
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2,500,000,000.0
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$ 5,000,000,000
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Bridge Loan [Member] | Unsecured Bridge Facility, Ninety Days, Agreement Due June 2017 [Member] |
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Debt Instrument [Line Items] |
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Debt related commitment fees and debt issuance costs |
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$ 15,000,000
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Repayments of unsecured debt |
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$ 4,100,000,000
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Unsecured Debt [Member] |
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Debt Instrument [Line Items] |
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Proceeds from debt, net of issuance costs |
$ 743,800,000
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Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 425,000,000
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$ 1,950,000,000
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Debt instrument, term |
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3 years
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3 years
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3 years
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Repayments of unsecured debt |
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$ 550,000,000
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Repayments of debt |
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$ 300,000,000
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$ 1,200,000
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Unsecured Debt [Member] | Unsecured Term Loan, Five Year [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, term |
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5 years
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5 years
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5 years
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5 years
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Repayments of unsecured debt |
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$ 400,000,000
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Repayments of debt |
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$ 750,000,000
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Unsecured Debt [Member] | Senior 2.850% Unsecured Notes Due March 2020 [Member] |
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Debt Instrument [Line Items] |
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Interest rate to be paid on long term notes |
2.85%
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Maturity date of senior unsecured notes |
Mar. 12, 2020
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Proceeds from debt |
$ 300,000,000.0
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Unsecured Debt [Member] | Senior 2.950% Unsecured Notes Due January 2021 [Member] |
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Debt Instrument [Line Items] |
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Interest rate to be paid on long term notes |
2.95%
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Maturity date of senior unsecured notes |
Jan. 12, 2021
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Debt instrument, covenant compliance |
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compliance with these covenants
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Proceeds from debt |
$ 450,000,000.0
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Senior 2.5% Unsecured Notes Due December 5,2021 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 400,000,000
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Interest rate to be paid on long term notes |
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2.50%
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Maturity date of senior unsecured notes |
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Dec. 05, 2021
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Senior 3.125% Unsecured Notes Due December 5, 2023 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 550,000,000
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Interest rate to be paid on long term notes |
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3.125%
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Maturity date of senior unsecured notes |
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Dec. 05, 2023
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Senior 3.500% Unsecured Notes Due December 5, 2026 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 900,000,000
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Interest rate to be paid on long term notes |
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3.50%
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Maturity date of senior unsecured notes |
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Dec. 05, 2026
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Senior 4.500% Unsecured Notes Dues December 5, 2036 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 250,000,000
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Interest rate to be paid on long term notes |
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4.50%
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Maturity date of senior unsecured notes |
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Dec. 05, 2036
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Fair Value, Measurements, Nonrecurring [Member] | 2.875% Senior unsecured notes due June 1, 2023 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 500,000,000
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Interest rate to be paid on long term notes |
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2.875%
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Fair Value, Measurements, Nonrecurring [Member] | 10 year US Treasury rate of 1.7845% [Member] |
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Debt Instrument [Line Items] |
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Interest rate to be paid on long term notes |
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1.7845%
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Fair Value, Measurements, Nonrecurring [Member] | 3.9% Senior unsecured notes due December 15, 2025 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 850,000,000.0
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Interest rate to be paid on long term notes |
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3.90%
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Fair Value, Measurements, Nonrecurring [Member] | 5.3% Senior unsecured notes due December 15, 2045 [Member] |
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Debt Instrument [Line Items] |
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Aggregate principal amount of debt |
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$ 400,000,000
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Interest rate to be paid on long term notes |
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5.30%
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Eurodollar [Member] | Minimum [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, basis spread on variable rate |
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0.75%
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Eurodollar [Member] | Minimum [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Five Year [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, basis spread on variable rate |
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0.875%
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Eurodollar [Member] | Maximum [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Three Year [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, basis spread on variable rate |
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1.625%
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Eurodollar [Member] | Maximum [Member] | Unsecured Debt [Member] | Unsecured Term Loan, Five Year [Member] |
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Debt Instrument [Line Items] |
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Debt instrument, basis spread on variable rate |
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1.75%
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