Earnings Per Share - Narrative (Details) - USD ($) shares in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 25, 2016 |
Mar. 27, 2015 |
Apr. 30, 2015 |
|
| Earnings Per Share [Abstract] | |||
| Share repurchase program | $ 2,000,000,000 | ||
| Shares repurchased | $ 249,000,000 | $ 127,000,000 | |
| Shares repurchased during the period (in shares) | 10 | 4 | |