Claims, Lawsuits, and Other Contingencies - Legal Narrative (Details) - Fatal Plain Crash In November2016 - Pending Litigation $ in Millions	1 Months Ended				3 Months Ended
	Dec. 31, 2022 plaintiff	Aug. 31, 2020 USD ($) plaintiff	Nov. 30, 2019 USD ($) defendant	Nov. 30, 2018 USD ($)	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Value of damages sought		$ 844		$ 16
Loss contingency, number of defendants | defendant			3
Damages sought option 1			$ 300
Damages sought option 2			50
Damages sought option 3			$ 25
Loss contingency, number of plaintiffs | plaintiff	43	43
Legal settlement expense					$ 197