Assets Held for Sale Schedule of Assets Held for Sale Activity (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 28, 2019 |
Dec. 29, 2018 |
|
| Movement in Property, Plant and Equipment [Roll Forward] | ||
| Balance as of beginning of year | $ 3,959 | |
| Balance as of end of the year | 4,373 | $ 3,959 |
| Held-for-sale | ||
| Movement in Property, Plant and Equipment [Roll Forward] | ||
| Balance as of beginning of year | 7 | 5 |
| Transfers in | 0 | 3 |
| Assets sold | (6) | 0 |
| Tangible asset impairment charges | 0 | (1) |
| Balance as of end of the year | $ 1 | $ 7 |