Current Developments - Pratt & Whitney Narrative (Details) - PW1100 GTF Engine - USD ($) $ in Millions		3 Months Ended	9 Months Ended
	Mar. 26, 2024	Sep. 30, 2024	Sep. 30, 2024
Business Acquisition [Line Items]
Vendor consideration credit, expense offset, total amount to be received	$ 116.9
Vendor consideration credit, recognized		$ 29.7	$ 104.7
Vendor consideration credit, expense offset, asset basis reduction			92.6
Vendor consideration credit, depreciation and amortization, asset basis reduction		3.9	5.5
Aircraft Maintenance, Materials, and Repairs
Business Acquisition [Line Items]
Vendor consideration credit, expense offset		$ 4.9	$ 12.1