Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue	$ 806	$ 715	$ 1,637	$ 1,440
Cost of services, exclusive of depreciation and amortization	528	483	1,083	974
Depreciation and amortization	21	13	40	24
Gross Profit	257	219	514	442
Operating Expenses
Selling, general and administrative	193	157	378	297
Depreciation and intangible amortization	85	85	170	170
Total Operating expenses	278	242	548	467
Operating Income (Loss)	(21)	(23)	(34)	(25)
Other (Income) Expense
(Gain) Loss from change in fair value of financial instruments		(50)	25	(63)
(Gain) loss from change in fair value of tax receivable agreement	11	(38)	19	(43)
Interest expense	33	29	66	58
Other (income) expense, net	4	(7)	7	(8)
Total Other (income) expense, net	48	(66)	117	(56)
Income (Loss) Before Taxes	(69)	43	(151)	31
Income tax expense (benefit)	3	(9)	(5)	(8)
Net Income (Loss)	(72)	52	(146)	39
Net income (loss) attributable to noncontrolling interests	(5)	1	(11)	(1)
Net Income (Loss) Attributable to Alight, Inc.	$ (67)	$ 51	$ (135)	$ 40
Earnings Per Share
Basic (net loss) earnings per share	$ (0.14)	$ 0.11	$ (0.28)	$ 0.09
Diluted (net loss) earnings per share	$ (0.14)	$ 0.10	$ (0.28)	$ 0.07
Net Income (Loss)	$ (72)	$ 52	$ (146)	$ 39
Other comprehensive income (loss), net of tax:
Change in fair value of derivatives	17	30	(6)	77
Foreign currency translation adjustments	3	(12)	6	(15)
Total Other comprehensive income (loss), net of tax:	20	18		62
Comprehensive Income (Loss) Before Noncontrolling Interests	(52)	70	(146)	101
Comprehensive income (loss) attributable to noncontrolling interests	(4)	2	(16)	8
Comprehensive Income (Loss) Attributable to Alight, Inc.	$ (48)	$ 68	$ (129)	$ 93