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Fair Value Measurements - Schedule of financial assets and liabilities carried at fair value (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other comprehensive income attributable to redeemable non-controlling interest | $ 10 | $ (26)
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Beginning balance | (411) | (231)
Included in earnings | (186) | (64)
Included in other comprehensive income | 5 | (4)
Net loss attributable to redeemable non-controlling interest | 0 | 0
Other comprehensive income attributable to redeemable non-controlling interest | 0 | 0
Adjustment of redeemable non-controlling interest to redemption at fair value | 0 | 0
Ending balance | (592) | (299)
Change in unrealized gains or losses for the period included in earnings | (186) | (64)
Change in unrealized gains or losses for the period included in other comprehensive income | 4 | (6)
Fair Value, Inputs, Level 3 [Member] | Contingentent Consideration [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Beginning balance | (20) | (22)
Included in earnings | 0 | 0
Included in other comprehensive income | 1 | 2
Net loss attributable to redeemable non-controlling interest | 0 | 0
Other comprehensive income attributable to redeemable non-controlling interest | 0 | 0
Adjustment of redeemable non-controlling interest to redemption at fair value | 0 | 0
Ending balance | (19) | (20)
Change in unrealized gains or losses for the period included in earnings | 0 | 0
Change in unrealized gains or losses for the period included in other comprehensive income | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Equity securities [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Beginning balance | 9 | 11
Included in earnings | (2) | 0
Included in other comprehensive income | 0 | 0
Net loss attributable to redeemable non-controlling interest | 0 | 0
Other comprehensive income attributable to redeemable non-controlling interest | 0 | 0
Adjustment of redeemable non-controlling interest to redemption at fair value | 0 | 0
Ending balance | 7 | 11
Change in unrealized gains or losses for the period included in earnings | (2) | 0
Change in unrealized gains or losses for the period included in other comprehensive income | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fox Option liability [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Beginning balance | (400) | (220)
Included in earnings | (184) | (64)
Included in other comprehensive income | 4 | (6)
Net loss attributable to redeemable non-controlling interest | 0 | 0
Other comprehensive income attributable to redeemable non-controlling interest | 0 | 0
Adjustment of redeemable non-controlling interest to redemption at fair value | 0 | 0
Ending balance | (580) | (290)
Change in unrealized gains or losses for the period included in earnings | (184) | (64)
Change in unrealized gains or losses for the period included in other comprehensive income | 4 | (6)
Fair Value, Inputs, Level 3 [Member] | Redeemable non- controlling interest at fair value [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Redeemable non- controlling interest at fair value, Beginning balance | (1,100) | (781)
Included in earnings | 0 | 0
Included in other comprehensive income | 0 | 0
Net loss attributable to redeemable non-controlling interest | 1 | 4
Other comprehensive income attributable to redeemable non-controlling interest | 11 | (17)
Adjustment of redeemable non-controlling interest to redemption at fair value | (216) | (125)
Redeemable non- controlling interest at fair value, Ending balance | (1,304) | (919)
Change in unrealized gains or losses for the period included in earnings | 0 | 0
Change in unrealized gains or losses for the period included in other comprehensive income | $ 0 | $ 0

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