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v3.19.1

Fair Value (Instruments Not Measured at Fair Value) (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
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Carrying Amount [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Accounts receivable - noncurrent | $ 93 | $ 100
Liabilities, Fair Value Disclosure [Abstract] |  |
Non-recourse debt | 15,815 | 15,645
Recourse debt | 3,900 | 3,655
Fair Value [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Value added tax | 17 | 16
Accounts receivable - noncurrent | 192 | 209
Liabilities, Fair Value Disclosure [Abstract] |  |
Non-recourse debt | 16,588 | 16,225
Recourse debt | 4,018 | 3,621
Level 1 [Member] | Fair Value [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] | Fair Value [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Accounts receivable - noncurrent | 0 | 0
Liabilities, Fair Value Disclosure [Abstract] |  |
Non-recourse debt | 13,704 | 13,524
Recourse debt | 4,018 | 3,621
Level 3 [Member] | Fair Value [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Accounts receivable - noncurrent | 192 | 209
Liabilities, Fair Value Disclosure [Abstract] |  |
Non-recourse debt | 2,884 | 2,701
Recourse debt | $ 0 | $ 0

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- Definition Amount due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Carrying amount due after one year of the balance sheet date (or one operating cycle), if longer of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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