Stock Compensation Schedule of Compensation Expense for Equity Programs and Related Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 29, 2018 |
Dec. 30, 2017 |
Dec. 31, 2016 |
|
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||
Pre-tax compensation expense | $ 64 | $ 71 | $ 68 |
Related income tax benefit | 16 | $ 26 | $ 25 |
Non-vested stock-based compensation awards not yet recognized | $ 85 | ||
Weighted-average period of recognition, years | 2 years |