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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Acquisitions - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Millions	May 02, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Business Combination, Separately Recognized Transactions [Line Items]
Goodwill		$ 754		$ 754		$ 121
AEL
Business Combination, Separately Recognized Transactions [Line Items]
Cash	$ 2,525
Business acquisition, equity interest issued or issuable, number of shares (in shares)	28,803,599
Goodwill	$ 630	630		630
Contributed revenues				564
Contributed net profit				(15)
Consolidated unaudited pro forma revenue		3,100	$ 2,700	7,000	$ 4,500
Consolidated unaudited pro forma net profit (loss)		$ 610	$ 401	1,800	$ 349
Acquisition costs				$ 126