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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 576 | $ 593
Accumulated Amortization | (570) | (585)
Net Carrying Amount | 6 | 8
Customer lists and user base |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 189 | 203
Accumulated Amortization | (189) | (203)
Net Carrying Amount | $ 0 | $ 0
Weighted Average Useful Life (Years) | 0 years | 0 years
Marketing related |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 55 | $ 57
Accumulated Amortization | (52) | (52)
Net Carrying Amount | $ 3 | $ 5
Weighted Average Useful Life (Years) | 2 years | 2 years
Developed technologies |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 173 | $ 174
Accumulated Amortization | (173) | (174)
Net Carrying Amount | $ 0 | $ 0
Weighted Average Useful Life (Years) | 0 years | 0 years
All other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 159 | $ 159
Accumulated Amortization | (156) | (156)
Net Carrying Amount | $ 3 | $ 3
Weighted Average Useful Life (Years) | 3 years | 3 years

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