Fair Value Measurements - Equity Securities without Readily Determinable Fair Value (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
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Fair Value Disclosures [Abstract] | |||||||||||||
Carry Value | $ 275 | [1] | $ 273 | [1] | $ 275 | [1] | $ 273 | [1] | $ 270 | ||||
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | [2] | 0 | 0 | 0 | 0 | ||||||||
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount | [2] | 0 | $ (2) | 0 | $ (2) | ||||||||
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount | 201 | 201 | |||||||||||
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount | $ (9) | $ (9) | |||||||||||
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