XML 94 R82.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefits Schedule of Defined Benefit Plan Disclosures (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair value of plan assets:      
Actuarial loss (gain) $ (5) $ (5)  
Classification in consolidated balance sheet:      
Noncurrent asset (45) (42)  
Assumptions used:      
Defined Benefit Plan, Benefit Obligation, Changes Between Actual and Expected Return on Plan Assets, Gains 1 1  
Pension Plans, Defined Benefit [Member]      
Benefit obligation:      
As of January 1 972 1,010 $ 905
Fair value of plan assets:      
Service cost 19 17 16
Interest cost on benefit obligation 27 31 34
Participants’ contributions 0 0  
Actuarial loss (gain) (26) (104)  
Benefit payments (47) (44)  
Defined Benefit Plan, Plan Assets, Administration Expense (3) (3)  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment 8 0  
As of January 1 800 753 695
Defined Benefit Plan, Funded (Unfunded) Status of Plan (172) (257)  
Net actuarial loss (gain) included in comprehensive income (78) 43  
Other Postretirement Benefits Cost (Reversal of Cost) (9) 1  
Defined Benefit Plan, Amortization of Gain (Loss) (22) (17) (10)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 0 0 0
Total Amounts included in comprehensive income (109) 27  
Defined Benefit Plan, Accumulated Benefit Obligation 885 907  
Actual return on plan assets 97 105  
Company contributions 0 0  
Classification in consolidated balance sheet:      
Noncurrent asset 0 0  
Current liability 0 0  
Noncurrent liability (172) (257)  
Amounts included in AOCL:      
Net actuarial loss 139 239  
Prior service cost (8) 1  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax $ 131 $ 240  
Assumptions used:      
Discount rate used to calculate benefit obligation 2.64% 3.43%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase 4.26% 3.65%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 6.88% 7.00%  
Defined Benefit Plan, Benefit Obligation, Changes Between Actual and Expected Return on Plan Assets, Gains $ 52 $ 61  
Pension Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair value of plan assets:      
As of January 1 0 0  
Pension Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member]      
Fair value of plan assets:      
As of January 1 25 49  
Pension Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 2 [Member]      
Fair value of plan assets:      
As of January 1 0 0  
Other Postretirement Benefit Plans [Member]      
Benefit obligation:      
As of January 1 71 76 71
Fair value of plan assets:      
Service cost 2 2 2
Interest cost on benefit obligation 2 2 3
Participants’ contributions 0 0  
Actuarial loss (gain) 5 (4)  
Benefit payments (5) (4)  
Defined Benefit Plan, Plan Assets, Administration Expense 0 0  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment (1) (1)  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment 0 0  
As of January 1 37 35 34
Defined Benefit Plan, Funded (Unfunded) Status of Plan (34) (41)  
Net actuarial loss (gain) included in comprehensive income (7) 4  
Other Postretirement Benefits Cost (Reversal of Cost) 0 0  
Defined Benefit Plan, Amortization of Gain (Loss) 0 0 0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 1 1 0
Total Amounts included in comprehensive income (6) 5  
Actual return on plan assets 4 2  
Company contributions 3 3  
Classification in consolidated balance sheet:      
Noncurrent asset 0 0  
Current liability 0 0  
Noncurrent liability (34) (41)  
Amounts included in AOCL:      
Net actuarial loss (3) 5  
Prior service cost (7) (8)  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax $ (10) $ (3)  
Assumptions used:      
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase 4.13% 4.58%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 5.04% 5.02%  
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair value of plan assets:      
As of January 1 $ 0 $ 0  
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 1 [Member]      
Fair value of plan assets:      
As of January 1 13 13  
Other Postretirement Benefit Plans [Member] | Fair Value, Inputs, Level 2 [Member]      
Fair value of plan assets:      
As of January 1 10 8  
Non Qualified Benefit Plans [Member]      
Benefit obligation:      
As of January 1 27 28 26
Fair value of plan assets:      
Service cost 0 0 0
Interest cost on benefit obligation 1 1 1
Participants’ contributions 0 0  
Actuarial loss (gain) 0 (3)  
Benefit payments (2) (2)  
Defined Benefit Plan, Plan Assets, Administration Expense 0 0  
As of January 1 21 19 17
Defined Benefit Plan, Funded (Unfunded) Status of Plan (6) (9)  
Net actuarial loss (gain) included in comprehensive income (1) 3  
Other Postretirement Benefits Cost (Reversal of Cost) 0 0  
Defined Benefit Plan, Amortization of Gain (Loss) (1) (1) (1)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 0 0 $ 0
Total Amounts included in comprehensive income (2) 2  
Defined Benefit Plan, Accumulated Benefit Obligation 23 24  
Actual return on plan assets 1 1  
Company contributions 3 3  
Classification in consolidated balance sheet:      
Noncurrent asset (21) (19)  
Current liability (2) (2)  
Noncurrent liability (25) (26)  
Amounts included in AOCL:      
Net actuarial loss 14 15  
Prior service cost 0 0  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax $ 14 $ 15  
Assumptions used:      
Discount rate used to calculate benefit obligation 2.64% 3.43%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase 4.10% 4.10%