Fair Value (Instruments Not Measured at Fair Value) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Non Recourse Debt Non Current	$ 18,482	$ 17,846
Liabilities [Abstract]
Recourse debt	4,464	3,894
Carrying Amount
ASSETS
Accounts receivable - noncurrent	193	301
Non Recourse Debt Non Current	22,144	19,429
Liabilities [Abstract]
Recourse debt	4,464	3,894
Fair Value
ASSETS
Accounts receivable - noncurrent	239	340
Non Recourse Debt Non Current	22,174	18,527
Liabilities [Abstract]
Recourse debt	4,210	3,505
Fair Value | Level 1
ASSETS
Accounts receivable - noncurrent	0	0
Non Recourse Debt Non Current	0	0
Liabilities [Abstract]
Recourse debt	0	0
Fair Value | Level 2
ASSETS
Accounts receivable - noncurrent	0	0
Non Recourse Debt Non Current	20,676	17,089
Liabilities [Abstract]
Recourse debt	4,210	3,505
Fair Value | Level 3
ASSETS
Accounts receivable - noncurrent	239	340
Non Recourse Debt Non Current	1,498	1,438
Liabilities [Abstract]
Recourse debt	$ 0	$ 0