Annual report pursuant to Section 13 and 15(d)

Common Stock and Stock-Based Incentive Compensation Plans (Details) (Weighted Average Valuation Assumptions for Stock Options)

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Common Stock and Stock-Based Incentive Compensation Plans (Details) (Weighted Average Valuation Assumptions for Stock Options) - Stock Options
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 28, 2019
USD ($)
$ / shares
shares
Outstanding Number of Shares  
Balance, beginning of period (in shares) | shares 13
Granted (in shares) | shares 1
Canceled (in shares) | shares (1)
Exercised (in shares) | shares (3)
Balance, end of period (in shares) | shares 10
Exercisable December 28, 2019 (in shares) | shares 9
Weighted- Average Exercise Price  
Balance, beginning of period (USD per share) | $ / shares $ 5.33
Granted (USD per share) | $ / shares 32.86
Canceled (USD per share) | $ / shares 17.52
Exercised (USD per share) | $ / shares 3.74
Balance, end of period (USD per share) | $ / shares 7.56
Exercisable December 28, 2019 (USD per share) | $ / shares $ 4.56
Aggregate Intrinsic Value  
Balance | $ $ 226
Exercisable December 28, 2019 | $ $ 215
Weighted-Average Remaining Contractual Life (in years)  
Balance 3 years 2 months 12 days
Exercisable December 28, 2019 2 years 8 months 19 days