Acquisitions and Dispositions - Discontinued Operations Aerospace (Details) - USD ($) $ in Millions		3 Months Ended
	Feb. 16, 2024	Mar. 31, 2024
Schedule of Equity Method Investments [Line Items]
Business dispositions, net of cash sold		$ 5,422
Gain on disposition		4,695
Discontinued Operations, Disposed of by Sale | Aerospace Business
Schedule of Equity Method Investments [Line Items]
Pre-tax gain	$ 20
Business dispositions, net of cash sold		5,420
Tax Effect of Gain (Loss)		$ 1,000
Consideration for the sale of business	5,600
Gain on disposition	$ 4,670