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Pension Benefits Benefit Payments (Details) - Global plans - Pension
$ in Millions
Dec. 28, 2019
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Benefit payments in 2020 $ 274
Benefit payments in 2021 273
Benefit payments in 2022 281
Benefit payments in 2023 285
Benefit payments in 2024 294
Benefit payments in 2025 through 2029 $ 1,508