Leases Location of Lease Costs (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 28, 2019
USD ($)
| |
| Leases [Abstract] | |
| Operating lease cost | $ 29 |
| Amortization of leased assets | 76 |
| Interest on lease liabilities | 12 |
| Variable lease cost | 6 |
| Net lease cost | $ 123 |