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Employee Benefit Plans - Net Periodic Benefit Cost (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Changes Recognized in Comprehensive Income |  |  |
Net actuarial (gain) loss during period | $ (1,050) | $ (1,244) | $ 2,004
Amortization of actuarial loss | (599) | (1,069) | (1,107)
Prior service (credits) costs during period | 96 | 0 | 0
Amortization of prior service (costs) credits | 19 | 14 | 23
Other Benefits |  |  |
Net Periodic Benefit Cost |  |  |
Service cost | 43 | 43 | 38
Interest cost | 60 | 53 | 71
Expected return on plan assets | 0 | 0 | 0
Amortization of prior service costs (credits) | (27) | (27) | (28)
Recognized actuarial losses | 13 | 16 | 3
Settlement losses | 0 | 0 | 0
Curtailment losses (gains) | 0 | 0 | (27)
Total net periodic benefit cost | 89 | 85 | 57
Changes Recognized in Comprehensive Income |  |  |
Net actuarial (gain) loss during period | (514) | (111) | 190
Amortization of actuarial loss | (13) | (15) | (4)
Prior service (credits) costs during period | 18 | 0 | 0
Amortization of prior service (costs) credits | 27 | 27 | 42
Total changes recognized in other comprehensive income | (482) | (99) | 228
Recognized in Net Periodic Benefit Cost and Other Comprehensive Income | (393) | (14) | 285
U.S. | Pension Benefits |  |  |
Net Periodic Benefit Cost |  |  |
Service cost | 432 | 450 | 497
Interest cost | 318 | 235 | 353
Expected return on plan assets | (624) | (596) | (650)
Amortization of prior service costs (credits) | 2 | 2 | 2
Recognized actuarial losses | 218 | 309 | 385
Settlement losses | 363 | 672 | 620
Curtailment losses (gains) | 0 | 0 | 92
Total net periodic benefit cost | 709 | 1,072 | 1,299
Changes Recognized in Comprehensive Income |  |  |
Net actuarial (gain) loss during period | (279) | (725) | 1,584
Amortization of actuarial loss | (581) | (981) | (1,005)
Prior service (credits) costs during period | 40 | 0 | 0
Amortization of prior service (costs) credits | (2) | (2) | (2)
Total changes recognized in other comprehensive income | (822) | (1,708) | 577
Recognized in Net Periodic Benefit Cost and Other Comprehensive Income | (113) | (636) | 1,876
Int’l. | Pension Benefits |  |  |
Net Periodic Benefit Cost |  |  |
Service cost | 83 | 123 | 130
Interest cost | 137 | 137 | 175
Expected return on plan assets | (176) | (171) | (209)
Amortization of prior service costs (credits) | 6 | 8 | 10
Recognized actuarial losses | 15 | 46 | 45
Settlement losses | (6) | 7 | 37
Curtailment losses (gains) | (5) | (1) | 2
Total net periodic benefit cost | 54 | 149 | 190
Changes Recognized in Comprehensive Income |  |  |
Net actuarial (gain) loss during period | (257) | (408) | 230
Amortization of actuarial loss | (5) | (73) | (98)
Prior service (credits) costs during period | 38 | 0 | 0
Amortization of prior service (costs) credits | (6) | (11) | (17)
Total changes recognized in other comprehensive income | (230) | (492) | 115
Recognized in Net Periodic Benefit Cost and Other Comprehensive Income | $ (176) | $ (343) | $ 305

X
- Definition Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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- Definition Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of 10 percent of greater of fair value of plan assets or benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(4) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 + Details
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(5) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(5) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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