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Equity (Tables) | 3 Months Ended
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Mar. 31, 2025
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following tables present changes in the accumulated balances for each component of other comprehensive income/ (loss) (in millions):
| Changes in Accumulated Other Comprehensive Income/(Loss) by Component
| Foreign currency translation adjustments |  | Comprehensive income from equity method investment |  | Employee benefit plans adjustments |  | Total
Balance, as of December 31, 2024 | $ | (285) |  |  | $ | 9 |  |  | $ | (62) |  |  | $ | (338) |
Other comprehensive income | 35 |  |  | 1 |  |  | — |  |  | 36 |
Income tax expense | — |  |  | (1) |  |  | — |  |  | (1) |
Net current period other comprehensive income | 35 |  |  | — |  |  | — |  |  | 35 |
Balance, as of March 31, 2025 | $ | (250) |  |  | $ | 9 |  |  | $ | (62) |  |  | $ | (303) |
| Changes in Accumulated Other Comprehensive Income/(Loss) by Component
| Foreign currency translation adjustments |  | Comprehensive income from equity method investment |  | Employee benefit plans adjustments |  | Total
Balance, as of December 31, 2023 | (230) |  |  | 2 |  |  | (66) |  |  | (294) |
Other comprehensive income/(loss) | (18) |  |  | 10 |  |  | — |  |  | (8) |
Income tax expense | — |  |  | (3) |  |  | — |  |  | (3) |
Net current period other comprehensive income/(loss) | (18) |  |  | 7 |  |  | — |  |  | (11) |
Balance, as of March 31, 2024 | $ | (248) |  |  | $ | 9 |  |  | $ | (66) |  |  | $ | (305) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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