|
Stockholders' Equity - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified |
1 Months Ended | 3 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Equity [Abstract] | |||
| Common stock issued as a result of option exercises | 0.3 | ||
| Value of shares authorized to repurchase program | $ 750,000,000 | $ 750,000,000 | |
| Shares repurchased | 1.6 | ||
| Average price per share for common shares repurchased | $ 78.29 | ||
| Total cost of common shares repurchased | 123,000,000 | ||
| Remaining capacity for authorized repurchase shares | 706,000,000 | 706,000,000 | |
| Dividends paid | 64,000,000 | 64,000,000 | 190,000,000 |
| Dividends paid per share | $ 0.375 | ||
| Dividends record date | Mar. 05, 2015 | ||
| Foreign currency translation adjustments | $ 82,000,000 | $ 0 | |