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Stockholders' Equity 2 (Details) (USD $)
Share data in Millions, unless otherwise specified |
1 Months Ended | 9 Months Ended | 0 Months Ended | |
|---|---|---|---|---|
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May 31, 2014
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Dec. 31, 2014
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Jan. 02, 2015
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Mar. 31, 2014
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| Equity [Abstract] | ||||
| Stock repurchase program, Authorized amount | $ 1,000,000,000 | |||
| Shares of common stock repurchased | 4.3 | |||
| Value of common stock repurchased | 125,000,000 | |||
| Remaining authorized common stock repurchase amount | 875,000,000 | |||
| Accumulated other comprehensive loss | (333,000,000) | (171,000,000) | ||
| Subsequent Event [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Value of common stock to be delivered in March 2015 | $ 75,000,000 |