Claims, Lawsuits, and Other Contingencies - Legal Narrative (Details) - Fatal Plain Crash In November 2016 £ in Millions, $ in Millions		1 Months Ended						3 Months Ended
	Jun. 30, 2024 USD ($)	Feb. 29, 2024 plaintiff	Dec. 31, 2022 plaintiff	Apr. 30, 2021 GBP (£) plaintiff	Aug. 31, 2020 USD ($) plaintiff	Nov. 30, 2019 USD ($) defendant	Nov. 30, 2018 USD ($)	Dec. 31, 2023 USD ($)
Pending Litigation
Legal, Guarantees and Indemnifications
Damages sought	$ 37			£ 29	$ 844		$ 16
Number of defendants | defendant						3
Damages sought option 1						$ 300
Damages sought option 2						50
Damages sought option 3						$ 25
Number of plaintiffs | plaintiff			43	16	43
Litigation settlement expense								$ 197
Settled Litigation
Legal, Guarantees and Indemnifications
Number of plaintiffs | plaintiff		16