Summary of Significant Accounting Policies - Divestitures (Details) - USD ($) $ in Millions			12 Months Ended
	Aug. 01, 2022	Jul. 08, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 21, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of businesses			$ 0	$ 0	$ 482
Gain (loss) on disposition of business			$ 0	$ 0	354
Advanced Acoustic Concepts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of equity investments		$ 56
Gain (loss) on sale of equity investments		31
Gain (loss) on sale of equity investments, net of tax		22
Gain (loss) on sale of equity investments, income tax		9
US Holdings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Dividends payable		$ 396
Global Enterprise Solutions | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expected proceeds from sale of business						$ 450
Proceeds from sales of businesses	$ 427
Gain (loss) on disposition of business	309
Gain (loss) on disposition of business, net of tax	239
Gain (loss) on disposition of business, before transaction cost	323
Disposal group, including discontinued operation, transaction cost	14
Gain (loss) on disposition of business, income tax expense	$ 70
Operating earnings from disposed business					$ 13