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Acquisitions, Discontinued Operations and Dispositions -Direct Energy Purchase Price Allocation (Details) - Direct Energy - Subsequent Event $ in Millions	Jan. 05, 2021 USD ($)
Assets
Cash and cash equivalents	$ 152
Current assets	3,374
Property, plant and equipment	166
Goodwill and other intangible assets	3,446
Other non-current assets	687
Total assets acquired	7,825
Liabilities
Current liabilities	3,085
Non-current liabilities	1,038
Total liabilities assumed	4,123
Direct Energy Purchase Price	$ 3,702

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