Summary of Dividends Declared and Paid (Detail) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Mar. 26, 2016 |
Dec. 26, 2015 |
Sep. 26, 2015 |
Jun. 27, 2015 |
Mar. 28, 2015 |
Dec. 27, 2014 |
Mar. 26, 2016 |
Mar. 28, 2015 |
Sep. 26, 2015 |
|
| Dividends [Line Items] | |||||||||
| Dividend Per Share | $ 0.52 | $ 0.52 | $ 0.52 | $ 0.52 | $ 0.47 | $ 0.47 | $ 1.04 | $ 0.94 | $ 1.98 |
| Amount | $ 2,879 | $ 2,898 | $ 2,950 | $ 2,997 | $ 2,734 | $ 2,750 | $ 5,777 | $ 11,431 | |