Income taxes.

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- Definition

Percentage of equity interests sold.

+ References

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- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount classified as deferred tax liabilities attributable to disposal group held for sale or disposed of.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Income Taxes (Narrative) (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
Income Taxes (Narrative) (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2022
Income Taxes [Line Items]
Income tax expense (benefit)		$ 182	$ 70		$ 432	$ 61
Income tax (benefit) expense from discontinued operations		1,200	53		1,300	185
Cove Point
Income Taxes [Line Items]
Income tax (benefit) expense from discontinued operations		7	$ 32		31	$ 93
Hope Gas Inc
Income Taxes [Line Items]
Percentage of equity interests sold			100.00%			100.00%
Income tax expense (benefit)				$ 90
East Ohio, PSNC and Questar Gas
Income Taxes [Line Items]
Income tax expense (benefit)					29
Discontinued operations, deferred tax liabilities	$ 939	$ 939			$ 939
East Ohio, PSNC and Questar Gas \| Cove Point
Income Taxes [Line Items]
Percentage of noncontrolling limited partnership interest retained	50.00%	50.00%			50.00%
East Ohio, PSNC and Questar Gas \| Cove Point \| BHE
Income Taxes [Line Items]
Income tax (benefit) expense from discontinued operations	$ 278
Questar Gas Company
Income Taxes [Line Items]
Percentage of equity interests sold							100.00%