v3.25.3
Fair Value (Details) - USD ($)
$ in Millions
Sep. 28, 2025
Dec. 31, 2024
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Marketable securities held in trust:    
Cash and equivalents $ 0 $ 27
Available-for-sale debt securities 0 0
Other investments 31 28
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 3 9
Available-for-sale debt securities 143 128
Other investments 0 0
Cash flow hedge assets 78 52
Cash flow hedge liabilities (66) (140)
Short- and long-term debt principal (7,590) (8,103)
Significant Unobservable Inputs (Level 3)    
Marketable securities held in trust:    
Cash and equivalents 0 0
Available-for-sale debt securities 0 0
Other investments 21 12
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 3 36
Available-for-sale debt securities 143 128
Commingled equity funds 51 48
Commingled fixed-income funds 6 6
Other investments 52 40
Cash flow hedge assets 78 52
Cash flow hedge liabilities (66) (140)
Short- and long-term debt principal (8,078) (8,826)
Fair Value    
Marketable securities held in trust:    
Cash and equivalents 3 36
Available-for-sale debt securities 143 128
Commingled equity funds 51 48
Commingled fixed-income funds 6 6
Other investments 52 40
Cash flow hedge assets 78 52
Cash flow hedge liabilities (66) (140)
Short- and long-term debt principal (7,590) (8,103)
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Marketable securities held in trust:    
Commingled equity funds 51 48
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