Fair Value (Details) - USD ($) $ in Millions	Jul. 02, 2023	Dec. 31, 2022
Quoted Prices in Active Markets for Identical Assets (Level 1)
Marketable securities held in trust:
Cash and equivalents	$ 0	$ 0
Available-for-sale debt securities	0	0
Other investments	0	0
Cash flow hedge assets	0	0
Cash flow hedge liabilities	0	0
Short- and long-term debt principal	0	0
Significant Other Observable Inputs (Level 2)
Marketable securities held in trust:
Cash and equivalents	5	7
Available-for-sale debt securities	127	107
Other investments	0	0
Cash flow hedge assets	110	109
Cash flow hedge liabilities	(57)	(67)
Short- and long-term debt principal	(9,104)	(9,773)
Significant Unobservable Inputs (Level 3)
Marketable securities held in trust:
Cash and equivalents	0	0
Available-for-sale debt securities	0	0
Other investments	17	17
Cash flow hedge assets	0	0
Cash flow hedge liabilities	0	0
Short- and long-term debt principal	0	0
Carrying Value
Marketable securities held in trust:
Cash and equivalents	5	7
Available-for-sale debt securities	127	107
Commingled equity funds	48	42
Commingled fixed-income funds	6	6
Other investments	17	17
Cash flow hedge assets	110	109
Cash flow hedge liabilities	(57)	(67)
Short- and long-term debt principal	(9,840)	(10,590)
Fair Value
Marketable securities held in trust:
Cash and equivalents	5	7
Available-for-sale debt securities	127	107
Commingled equity funds	48	42
Commingled fixed-income funds	6	6
Other investments	17	17
Cash flow hedge assets	110	109
Cash flow hedge liabilities	(57)	(67)
Short- and long-term debt principal	(9,104)	(9,773)
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Marketable securities held in trust:
Commingled equity funds	48	42
Commingled fixed-income funds	6	6
Fair Value | Significant Other Observable Inputs (Level 2)
Marketable securities held in trust:
Commingled equity funds	0	0
Commingled fixed-income funds	0	0
Fair Value | Significant Unobservable Inputs (Level 3)
Marketable securities held in trust:
Commingled equity funds	0	0
Commingled fixed-income funds	$ 0	$ 0