Derivative Instruments and Hedging Activities (Schedule of Interest Rate Swap Contracts) (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Millions |
Apr. 27, 2017 |
Mar. 31, 2017 |
---|---|---|
Interest Rate Swap One [Member] | ||
Derivative [Line Items] | ||
Derivative, notional amount | $ 656 | |
Derivative, fixed interest rate | 0.98% | |
Interest Rate Swap Two [Member] | ||
Derivative [Line Items] | ||
Derivative, notional amount | $ 300 | |
Derivative, fixed interest rate | 1.29% | |
Interest Rate Swap Three [Member] | ||
Derivative [Line Items] | ||
Derivative, notional amount | $ 300 | |
Derivative, fixed interest rate | 2.08% | |
Subsequent Event [Member] | Interest Rate Swap Four [Member] | ||
Derivative [Line Items] | ||
Derivative, notional amount | $ 200 | |
Derivative, fixed interest rate | 1.62% | |
Subsequent Event [Member] | Interest Rate Swap Five [Member] | ||
Derivative [Line Items] | ||
Derivative, notional amount | $ 200 | |
Derivative, fixed interest rate | 1.40% |