Pension Benefits Pension Benefits Narrative (Details) - Pension $ in Millions |
1 Months Ended | 3 Months Ended | 12 Months Ended | |
---|---|---|---|---|
Jul. 28, 2019
USD ($)
|
Oct. 31, 2020
USD ($)
|
Jun. 27, 2020
USD ($)
|
Jan. 02, 2021
USD ($)
|
|
United States | ||||
Defined Benefit Plan Disclosure [Line Items] | ||||
Defined Benefit Plan, Plan Assets, Payment for Settlement | $ 174 | |||
Curtailment gain | $ 11 | $ 7 | ||
Number of retired participants accepting settlement of defined benefit pension plan obligations | 8,000 | |||
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement | $ 453 | |||
UNITED KINGDOM | ||||
Defined Benefit Plan Disclosure [Line Items] | ||||
Buy-in annuity contract | $ 268 |