Discontinued Operations - Income Statement and Balance Sheet Disclosures (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Net income from discontinued operations, net of tax	Net income from discontinued operations, net of tax
Income tax (expense) benefit		$ (25)	$ (13)	$ 318
Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total revenue			371	1,157
Total cost of revenue	[1]		177	587
Other operating expenses	[2]		182	233
Operating income			12	337
Total other income, net			9	101
Net income from discontinued operations before income taxes			21	438
Gain on sale of discontinued operations before income taxes			4,927	0
Total net income from discontinued operations before income taxes			4,948	438
Income tax (expense) benefit			1,075	72
Net income from discontinued operations, net of tax included in the consolidated statement of operations			3,873	366
Disposal Group, Including Discontinued Operation, Depreciation and Amortization			0	79
Employee Benefits and Share-based Compensation			18	$ 24
Disposal group, direct transaction closing fees			$ 87

[1] (1) Excludes D&A.

[2] (2) Includes D&A of $79 million for the year ended December 31, 2021, stock-based compensation of $18 million and $24 million for the years ended December 31, 2022 and 2021, respectively, and direct transaction closing fees of $87 million for the year ended December 31, 2022. Due to the discontinued operations classification of the Divested Businesses as of the third quarter of 2021, D&A ceased and is not included for the year ended December 31, 2022.