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Postretirement Benefit Plans (Components of Pension Plans) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other changes in plan assets and benefit obligations recognized in other comprehensive income |  |  |
Net loss | $ (51) | $ 78 | $ 83
Prior service cost | 0 | 5 | 0
Settlement | 0 | 0 | (9)
Total recognized in comprehensive income | 2 | (2) | 0
Defined benefit pension plans |  |  |
Net periodic benefit cost: |  |  |
Net periodic benefit cost | 31 | 31 | 19
Other changes in plan assets and benefit obligations recognized in other comprehensive income |  |  |
Change recognized in other comprehensive income | (83) | 79 | 69
Total recognized in comprehensive income | (52) | 110 | 88
United States |  |  |
Net periodic benefit cost: |  |  |
Service cost | 3 | 3 | 3
Interest cost | 3 | 3 | 4
Expected return on plan assets | (7) | (7) | (8)
Amortization of net actuarial loss | 4 | 3 | 1
Net periodic benefit cost | 3 | 2 | 0
Other changes in plan assets and benefit obligations recognized in other comprehensive income |  |  |
Net loss | 0 | 3 | 6
Amortization of net actuarial loss | (4) | (3) | (1)
Change recognized in other comprehensive income | (4) | 0 | 5
International defined benefit pension plans |  |  |
Net periodic benefit cost: |  |  |
Service cost | 14 | 13 | 9
Interest cost | 11 | 16 | 19
Expected return on plan assets | (14) | (14) | (27)
Amortization of net actuarial loss | 17 | 14 | 9
Settlement | 0 | 0 | 9
Net periodic benefit cost | 28 | 29 | 19
Other changes in plan assets and benefit obligations recognized in other comprehensive income |  |  |
Net loss | (51) | 74 | 79
Amortization of net actuarial loss | (17) | (14) | (9)
Settlement | 0 | 0 | (9)
Foreign Exchange | (11) | 19 | 3
Change recognized in other comprehensive income | $ (79) | $ 79 | $ 64

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 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)(4) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://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)(4) -URI http://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 http://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 http://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 http://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 http://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 http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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