Quarterly Financial Data (Unaudited) (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Jan. 02, 2016 |
Oct. 03, 2015 |
Jul. 04, 2015 |
Apr. 04, 2015 |
Jan. 03, 2015 |
Sep. 27, 2014 |
Jun. 28, 2014 |
Mar. 29, 2014 |
|
| Quarterly Financial Data [Abstract] | ||||||||
| Unusual or infrequent item, net (gain) loss, net of tax | $ 166 | $ 43 | $ (20) | $ (17) | $ 65 | $ 39 | $ 21 | $ 25 |