Remaining Performance Obligations (RPO) (Details) $ in Billions	3 Months Ended
	Mar. 31, 2024 USD ($)
Remaining Performance Obligation [Line Items]
RPO	$ 202
RPO to be recognized within 12 months	25.00%
Revenue, Remaining Performance Obligations, RPO related to long-term commercial aerospace maintenance contracts at Pratt & Whitney	45.00%
Revenue, Remaining Performance Obligation, general span of Pratt & Whitney long-term commercial aerospace maintenance contracts, in years	20 years