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Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount | $ 298 |  | $ 298 |  | $ 304
Accumulated Amortization | (235) |  | (235) |  | (232)
Net Carrying Amount | 63 |  | 63 |  | 72
Intangible asset amortization expense | 3 | $ 4 | 6 | $ 8 |
Customer relationships |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount | 260 |  | 260 |  | 261
Accumulated Amortization | (207) |  | (207) |  | (204)
Net Carrying Amount | 53 |  | 53 |  | 57
Intellectual property and patents |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount | 15 |  | 15 |  | 18
Accumulated Amortization | (10) |  | (10) |  | (11)
Net Carrying Amount | 5 |  | 5 |  | 7
Trademarks |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount | 23 |  | 23 |  | 25
Accumulated Amortization | (18) |  | (18) |  | (17)
Net Carrying Amount | $ 5 |  | $ 5 |  | $ 8

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