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v3.21.2

Variable Interest Entities (Consolidated Information of Variable Interest Entity) (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Cash and cash equivalents | $ 153 | $ 32
Accounts receivable | 745 | 853
Prepayments and other current assets | 139 | 104
Plant, property, and equipment, net | 21,533 | 21,017
Total Assets | 29,953 | 29,666
Accounts payable | 659 | 661
Asset retirement obligations | 607 | 553
Variable Interest Entity, Primary Beneficiary |  |
Variable Interest Entity [Line Items] |  |
Cash and cash equivalents | 12 | 7
Accounts receivable | 7 | 5
Prepayments and other current assets | 1 | 1
Plant, property, and equipment, net | 680 | 692
Total Assets | 700 | 705
Accounts payable | 10 | 3
Asset retirement obligations | 20 | 19
Total liabilities | $ 30 | $ 22

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