Acquisitions and Divestitures - Summary of Consideration Transferred and Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jan. 05, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets:
Goodwill		$ 26,751	$ 25,817	$ 27,038
nexAir, LLC
Assets:
Cash and cash equivalents	$ 55
Other current assets - net	49
Property, plant and equipment, net	241
Other intangible assets - net	245
Other long-term liabilities - net	(1)
Deferred taxes	(25)
Total identifiable net assets	564
Goodwill	485
Fair value of previously held equity interest	183
Total purchase price	$ 866