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v3.20.1

Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | $ 2,338 | $ 2,650
Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 703 | 778
Other non-606 revenue |  | 9 | 7
Revenue |  | 712 | 785
Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,451 | 1,712
Other non-606 revenue | [1] | 175 | 153
Revenue |  | 1,626 | 1,865
US and Utilities [Domain] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | 971 | 1,019
US and Utilities [Domain] | Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 703 | 778
Other non-606 revenue |  | 9 | 7
Revenue |  | 712 | 785
US and Utilities [Domain] | Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 163 | 173
Other non-606 revenue | [1] | 96 | 61
Revenue |  | 259 | 234
South America [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | 712 | 845
South America [Member] | Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0
Other non-606 revenue |  | 0 | 0
Revenue |  | 0 | 0
South America [Member] | Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 711 | 843
Other non-606 revenue | [1] | 1 | 2
Revenue |  | 712 | 845
MCAC [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | 432 | 450
MCAC [Member] | Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0
Other non-606 revenue |  | 0 | 0
Revenue |  | 0 | 0
MCAC [Member] | Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 408 | 429
Other non-606 revenue | [1] | 24 | 21
Revenue |  | 432 | 450
Eurasia - Generation [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | 225 | 339
Eurasia - Generation [Member] | Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0
Other non-606 revenue |  | 0 | 0
Revenue |  | 0 | 0
Eurasia - Generation [Member] | Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 171 | 267
Other non-606 revenue | [1] | 54 | 72
Revenue |  | 225 | 339
Corporate Other And Other Eliminations [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue |  | (2) | (3)
Corporate Other And Other Eliminations [Member] | Regulated Revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0
Other non-606 revenue |  | 0 | 0
Revenue |  | 0 | 0
Corporate Other And Other Eliminations [Member] | Non-regulated revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (2) | 0
Other non-606 revenue | [1] | 0 | (3)
Revenue |  | $ (2) | $ (3)
[1] | Other non-regulated revenue primarily includes lease and derivative revenue not accounted for under ASC 606.

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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