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Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 106 | $ 106
Accumulated Amortization | $ (98) | $ (92)
Weighted Average Remaining Life in Years | 5 years 1 month 6 days | 4 years 10 months 24 days
Net carrying amount | $ 8 | $ 14
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 74 | 74
Accumulated Amortization | $ 67 | $ 62
Weighted Average Remaining Life in Years | 5 years 7 months 6 days | 5 years 7 months 6 days
Net carrying amount | $ 7 | $ 12
Software in development and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 25 | 25
Accumulated Amortization | $ 25 | $ 25
Weighted Average Remaining Life in Years | 0 years | 2 years 1 month 6 days
Net carrying amount | $ 0 | $ 0
Trade name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 7 | 7
Accumulated Amortization | $ 6 | $ 5
Weighted Average Remaining Life in Years | 7 months 6 days | 1 year 7 months 6 days
Net carrying amount | $ 1 | $ 2

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