Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 26, 2020	Dec. 28, 2019
Statement of Financial Position [Abstract]
Allowances for accounts receivable	$ 88	$ 30
Allowances for vendor receivables	$ 7	$ 4
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0
Preferred stock, authorized (in shares)	25,000,000	0
Preferred stock, Number of shares issued	500,000	0
Preferred stock, outstanding (in shares)	505,288	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common stock, authorized (in shares)	600,000,000	600,000,000
Common stock, issued (in shares)	221,000,000	220,000,000
Common stock, outstanding (in shares)	221,000,000	220,000,000