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Acquisitions and Dispositions - Purchase Price Allocation (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Jan. 05, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Other Assets |  |  |
Goodwill | $ 1,572 |  | $ 579
Other Liabilities |  |  |
Goodwill, expected to be tax deductible |  | $ 337 |
Direct Energy |  |  |
Current Assets |  |  |
Cash and cash equivalents |  | 152 |
Funds deposited by counterparties |  | 21 |
Restricted cash |  | 9 |
Accounts receivable, net |  | 1,802 |
Inventory |  | 106 |
Derivative instruments |  | 1,014 |
Cash collateral paid in support of energy risk management activities |  | 233 |
Prepayments and other current assets |  | 181 |
Total current assets |  | 3,518 |
Property, plant and equipment, net |  | 178 |
Other Assets |  |  |
Goodwill |  | 990 |
Intangible assets |  | 2,559 |
Derivative instruments |  | 531 |
Other non-current assets |  | 31 |
Total other assets |  | 4,111 |
Total Assets |  | 7,807 |
Current Liabilities |  |  |
Accounts payable |  | 1,390 |
Derivative instruments |  | 1,266 |
Cash collateral received in support of energy risk management activities |  | 21 |
Accrued expenses and other current liabilities |  | 440 |
Total current liabilities |  | 3,117 |
Other Liabilities |  |  |
Derivative instruments |  | 562 |
Deferred income taxes |  | 433 |
Other non-current liabilities |  | 31 |
Total other liabilities |  | 1,026 |
Total Liabilities |  | 4,143 |
Direct Energy Purchase Price |  | $ 3,664 |

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