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Benefit Plans (Level 3 Roll Forward) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | $ 106 | $ 112
Effect of foreign currency exchange rate changes |  | 9 | (8)
Fair value of plan assets, ending period |  | 114 | 106
UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1,218 | 1,249
Effect of foreign currency exchange rate changes |  | 0 | 0
Fair value of plan assets, ending period |  | 911 | 1,218
Mutual funds | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period | [1] | 87 |
Fair value of plan assets, ending period | [1] | 105 | 87
Mutual funds | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 833 |
Fair value of plan assets, ending period |  | 704 | 833
Cash and Cash Equivalents [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 4 |
Fair value of plan assets, ending period |  | 5 | 4
Private equity | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Real estate | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Other assets | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 2 |
Fair value of plan assets, ending period |  | 4 | 2
Equity Funds [Member] | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 15 |
Fair value of plan assets, ending period |  | 3 | 15
Equity Funds [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 381 |
Fair value of plan assets, ending period |  | 202 | 381
Level 3 | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 3 |
Fair value of plan assets, ending period |  | 3 | 3
Level 3 | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 3 | Mutual funds | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 3 | Mutual funds | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 3 | Cash and Cash Equivalents [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 3 | Private equity | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Level 3 | Real estate | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Level 3 | Other assets | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Level 3 | Equity Funds [Member] | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 3 | Equity Funds [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 1 | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 34 |
Fair value of plan assets, ending period |  | 36 | 34
Level 1 | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 4 |
Fair value of plan assets, ending period |  | 5 | 4
Level 1 | Mutual funds | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 18 |
Fair value of plan assets, ending period |  | 35 | 18
Level 1 | Mutual funds | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 1 | Cash and Cash Equivalents [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 4 |
Fair value of plan assets, ending period |  | 5 | 4
Level 1 | Private equity | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 1 | Real estate | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 1 | Other assets | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1 |
Fair value of plan assets, ending period |  | 1 | 1
Level 1 | Equity Funds [Member] | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 15 |
Fair value of plan assets, ending period |  | 0 | 15
Level 1 | Equity Funds [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 2 | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 69 |
Fair value of plan assets, ending period |  | 75 | 69
Level 2 | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 1,214 |
Fair value of plan assets, ending period |  | 906 | 1,214
Level 2 | Mutual funds | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 69 |
Fair value of plan assets, ending period |  | 70 | 69
Level 2 | Mutual funds | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 833 |
Fair value of plan assets, ending period |  | 704 | 833
Level 2 | Cash and Cash Equivalents [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 2 | Private equity | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 2 | Real estate | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 0 | 0
Level 2 | Other assets | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 2 | 0
Level 2 | Equity Funds [Member] | Foreign Plan [Member] |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 0 |
Fair value of plan assets, ending period |  | 3 | 0
Level 2 | Equity Funds [Member] | UNITED STATES |  |  |
Change in plan assets: |  |  |
Fair value of plan assets, beginning period |  | 381 |
Fair value of plan assets, ending period |  | $ 202 | $ 381
[1] | Mutual funds categorized as debt securities consist of mutual funds for which debt securities are the primary underlying investment

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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