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Fair Value (Instruments Not Measured at Fair Value) (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Estimate of Fair Value Measurement [Member] |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |
Accounts receivable - noncurrent | [1] | $ 807 | $ 955
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Non-recourse debt |  | 26,335 | 23,749
Recourse debt |  | 5,087 | 5,003
Carrying Amount [Member] |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |
Accounts receivable - noncurrent | [1] | 807 | 855
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Non-recourse debt |  | 25,222 | 23,178
Recourse debt |  | 6,100 | 5,984
Level 1 [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |
Accounts receivable - noncurrent |  | 0 | 0
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Non-recourse debt |  | 0 | 0
Recourse debt |  | 0 | 0
Level 2 [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |
Accounts receivable - noncurrent |  | 0 | 0
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Non-recourse debt |  | 23,294 | 20,448
Recourse debt |  | 5,087 | 5,003
Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |
Accounts receivable - noncurrent | [1] | 807 | 955
Liabilities, Fair Value Disclosure [Abstract] |  |  |
Non-recourse debt |  | 3,041 | 3,301
Recourse debt |  | $ 0 | $ 0
[1] | These are included in Loan receivable and Other noncurrent assets in the accompanying Condensed Consolidated Balance Sheets.

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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 + Details
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