Subsequent Events - Additional Information (Details) - USD ($) shares in Thousands, $ in Thousands |
1 Months Ended | 12 Months Ended | ||
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Jan. 29, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Subsequent Event [Line Items] | ||||
| Common stock repurchased, value | $ 2,015,947 | $ 2,472,645 | $ 1,764,969 | |
| Common Stock [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Common stock repurchased, value | $ 0 | $ 0 | $ 0 | |
| Subsequent Event [Member] | Common Stock [Member] | Open Market And Privately Negotiated Repurchases [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Common stock repurchased (in shares) | 51,883 | |||
| Common stock repurchased, value | $ 194,127 | |||
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- Definition Treasury stock, shares, acquired, cost method, including accelerated stock repurchase program. No definition available.
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- Definition Treasury stock value acquired cost method including accelerated stock repurchase program. No definition available.
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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