Commitments and Contingencies (Schedule of Commercial Aerospace Industry Commitments) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Other Commitment	$ 12,300
Commercial Aerospace [Member]
Loss Contingencies [Line Items]
Commercial aerospace financing commitments, total committed	4,584
Commercial aerospace financing commitments within one year	1,358
Commercial aerospace financing commitments within two years	1,674
Commercial aerospace financing commitments within three years	1,179
Commercial aerospace financing commitments within four years	373
Commercial aerospace financing commitments within five years	0
Commercial aerospace financing commitments after five years	0
Other Commitment	10,015
Other commercial aerospace commitments within one year	836
Other commercial aerospace commitments within two years	862
Other commercial aerospace commitments within three years	705
Other commercial aerospace commitments within four years	687
Other commercial aerospace commitments within five years	731
Other commercial aerospace commitments after five years	6,194
Collaboration partners' share, total committed	(5,942)
Collaboration partners' share within one year	(822)
Collaboration partner share, two years	(1,040)
Collaboration partner share, three years	(818)
Collaboration partner share, four years	(457)
Collaboration partner share, five years	(317)
Collaboration partner share, after five years	(2,488)
Commercial aerospace commitments, Total	8,657
Total commercial aerospace commitments, current	1,372
Total commercial aerospace commitments, two years	1,496
Total commercial aerospace commitments, three years	1,066
Total commercial aerospace commitments, four years	603
Total commercial aerospace commitments, five years	414
Total commercial aerospace commitments, after five years	$ 3,706