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Benefit Plans (Level 3 Roll Forward) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Foreign Plan [Member] |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | $ 127 | $ 114
Effect of foreign currency exchange rate changes | (14) | 10
Fair value of plan assets, ending period | 14 | 127
Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 127 |
Fair value of plan assets, ending period | 14 | 127
UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 883 | 911
Effect of foreign currency exchange rate changes | 0 | 0
Fair value of plan assets, ending period | 844 | 883
Mutual funds | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 113 |
Fair value of plan assets, ending period | 14 | 113
Mutual funds | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 685 |
Fair value of plan assets, ending period | 646 | 685
Cash and Cash Equivalents [Member] | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 5 |
Fair value of plan assets, ending period | 5 | 5
Private equity | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 2 |
Fair value of plan assets, ending period | 0 | 2
Real estate | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 1 |
Fair value of plan assets, ending period | 0 | 1
Other assets | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 6 |
Fair value of plan assets, ending period | 0 | 6
Equity Funds [Member] | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 5 |
Fair value of plan assets, ending period | 0 | 5
Equity Funds [Member] | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 193 |
Fair value of plan assets, ending period | 193 | 193
Level 3 | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 5 |
Fair value of plan assets, ending period | 0 | 5
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] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 2 |
Fair value of plan assets, ending period | 0 | 2
Level 3 | Real estate | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 1 |
Fair value of plan assets, ending period | 0 | 1
Level 3 | Other assets | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 2 |
Fair value of plan assets, ending period | 0 | 2
Level 3 | Equity Funds [Member] | Foreign Plan [Member] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 41 |
Fair value of plan assets, ending period | 0 | 41
Level 1 | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 5 |
Fair value of plan assets, ending period | 5 | 5
Level 1 | Mutual funds | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 40 |
Fair value of plan assets, ending period | 0 | 40
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 | 5 |
Fair value of plan assets, ending period | 5 | 5
Level 1 | Private equity | Foreign Plan [Member] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 1 |
Fair value of plan assets, ending period | 0 | 1
Level 1 | Equity Funds [Member] | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 0 |
Fair value of plan assets, ending period | 0 | 0
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] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 81 |
Fair value of plan assets, ending period | 14 | 81
Level 2 | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 878 |
Fair value of plan assets, ending period | 839 | 878
Level 2 | Mutual funds | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 73 |
Fair value of plan assets, ending period | 14 | 73
Level 2 | Mutual funds | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 685 |
Fair value of plan assets, ending period | 646 | 685
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] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
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] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 3 |
Fair value of plan assets, ending period | 0 | 3
Level 2 | Equity Funds [Member] | Foreign Plan [Member] | Fair Value, Recurring |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 5 |
Fair value of plan assets, ending period | 0 | 5
Level 2 | Equity Funds [Member] | UNITED STATES |  |
Change in plan assets: |  |
Fair value of plan assets, beginning period | 193 |
Fair value of plan assets, ending period | $ 193 | $ 193

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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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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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