Share Repurchase Programs and Dividends - Share Repurchase Programs (Detail) - USD ($) |
12 Months Ended | 42 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2017 |
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Equity [Abstract] | ||||
Stock repurchase programs, authorized amount | $ 11,000,000,000 | $ 11,000,000,000 | ||
Stock repurchase programs, remaining authorized amount | $ 450,000,000 | $ 450,000,000 | ||
Stock repurchased (in shares) | 33,900,000 | 119,823,621 | 85,141,691 | 262,300,000 |
Aggregate stock repurchase price | $ 1,563,000,000 | $ 4,416,000,000 | $ 3,586,000,000 | $ 10,600,000,000 |
Average cost per share (in dollars per share) | $ 45.68 | $ 36.86 | $ 42.09 | $ 40.22 |
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- References No definition available.
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- Definition Amount of stock repurchase plan authorized. No definition available.
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- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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