Employee Benefit Plans (Tables) |
9 Months Ended |
|---|---|
Sep. 30, 2021 | |
| Employee Benefit Plans [Abstract] | |
| Pension and Postretirement Plans | Millions of Dollars Pension Benefits Other Benefits 2021 2020 2021 2020 U.S. Int'l. U.S. Int'l. Components of Net Periodic Benefit Cost Three Months Ended September 30 Service cost $ 17 15 21 14 - 1 Interest cost 12 19 17 21 1 2 Expected return on plan assets (22) (30) (21) (37) - - Amortization of prior service credit - - - (1) (9) (7) Recognized net actuarial loss 9 8 12 5 - 1 Settlements 28 - 27 - - - Net periodic benefit cost $ 44 12 56 2 (8) (3) Nine Months Ended September 30 Service cost $ 56 46 63 41 1 2 Interest cost 40 59 51 63 3 5 Expected return on plan assets (66) (90) (63) (108) - - Amortization of prior service credit - - - (1) (28) (23) Recognized net actuarial loss 36 24 37 16 1 1 Settlements 72 - 28 (1) - - Curtailments 12 - - - - - Special Termination 9 - - - - - Net periodic benefit cost $ 159 39 116 10 (23) (15) |
| Discount Rates | The relevant assumptions are September 30 December 31 2021 2020 Expected return on plan assets 3.40 % 5.80 Relevant discount rates U.S. qualified pension plan 2.80 % 2.40 U.S. nonqualified pension plan 2.30 1.85 |
| Severance Accrual | Severance Accrual Activity Millions of Dollars Balance at December 31, 2020 $ 24 Accruals 165 Benefit payments (102) Balance at September 30, 2021 $ 87 |