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Fair Value (Instruments Not Measured at Fair Value) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Non Recourse Debt Non Current | $ 20,626 | $ 19,666 | $ 20,232 | $ 18,482
Liabilities [Abstract] |  |  |  |
Recourse debt | 5,704 |  |  | 4,464
Carrying Amount |  |  |  |
ASSETS |  |  |  |
Accounts receivable - noncurrent | 87 |  |  | 193
Non Recourse Debt Non Current | 22,743 |  |  | 22,144
Liabilities [Abstract] |  |  |  |
Recourse debt | 5,704 |  |  | 4,464
Fair Value |  |  |  |
ASSETS |  |  |  |
Accounts receivable - noncurrent | 171 |  |  | 239
Non Recourse Debt Non Current | 23,066 |  |  | 22,174
Liabilities [Abstract] |  |  |  |
Recourse debt | 4,538 |  |  | 4,210
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 | 20,981 |  |  | 20,676
Liabilities [Abstract] |  |  |  |
Recourse debt | 4,538 |  |  | 4,210
Fair Value | Level 3 |  |  |  |
ASSETS |  |  |  |
Accounts receivable - noncurrent | 171 |  |  | 239
Non Recourse Debt Non Current | 2,085 |  |  | 1,498
Liabilities [Abstract] |  |  |  |
Recourse debt | $ 0 |  |  | $ 0

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- Definition The non-current portion of the entity's non-recourse debt. Non-recourse debt is secured by the capital stock, physical assets, contracts and cash flows of the related subsidiary. The risk is limited to the respective subsidiary business and is without recourse to the Parent Company and other subsidiaries. + References No definition available. + Details
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- Definition Recourse debt is direct borrowings by the Parent Company that is structurally subordinate to the affiliates non-recourse debt. + References No definition available. + Details
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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