Subsidiary Debt - BHE Pipeline Group (Details) € in Millions, $ in Millions	Jan. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Par value		$ 55,471
EEGH
Debt Instrument [Line Items]
Par value		3,259
Subsidiary debt		3,231		$ 3,254
EGTS
Debt Instrument [Line Items]
Par value		1,639
Subsidiary debt		1,622		1,583
Subsidiary debt
Debt Instrument [Line Items]
Par value		42,270
Subsidiary debt		42,150		38,971
BHE Pipeline Group | EEGH
Debt Instrument [Line Items]
Par value		3,259
Subsidiary debt		$ 3,231		3,254
BHE Pipeline Group | 2.50% Senior Notes, due 2024 | EEGH
Debt Instrument [Line Items]
Stated rate		2.50%	2.50%
Par value		$ 0
Subsidiary debt		$ 0		600
BHE Pipeline Group | 3.60% Senior Notes, due 2024 | EEGH
Debt Instrument [Line Items]
Stated rate		3.60%	3.60%
Par value		$ 0
Subsidiary debt		$ 0		339
BHE Pipeline Group | 3.317% Senior Notes, due 2026 (€250) | EEGH
Debt Instrument [Line Items]
Stated rate		3.317%	3.317%
Par value		$ 259	€ 250
Subsidiary debt		$ 259		274
BHE Pipeline Group | 3.00% Senior Notes, due 2029 | EEGH
Debt Instrument [Line Items]
Stated rate		3.00%	3.00%
Par value		$ 174
Subsidiary debt		$ 173		173
BHE Pipeline Group | 3.80% Senior Notes, due 2031 | EEGH
Debt Instrument [Line Items]
Stated rate		3.80%	3.80%
Par value		$ 150
Subsidiary debt		$ 150		150
BHE Pipeline Group | 4.80% Senior Notes, due 2043 | EEGH
Debt Instrument [Line Items]
Stated rate		4.80%	4.80%
Par value		$ 54
Subsidiary debt		$ 53		53
BHE Pipeline Group | 4.60% Senior Notes, due 2044 | EEGH
Debt Instrument [Line Items]
Stated rate		4.60%	4.60%
Par value		$ 56
Subsidiary debt		$ 56		56
BHE Pipeline Group | 3.90% Senior Notes, due 2049 | EEGH
Debt Instrument [Line Items]
Stated rate		3.90%	3.90%
Par value		$ 27
Subsidiary debt		26		26
BHE Pipeline Group | 5.65% Senior Notes, due 2054 | EEGH
Debt Instrument [Line Items]
Par value		900
Subsidiary debt		892		0
BHE Pipeline Group | Subsidiary debt
Debt Instrument [Line Items]
Par value		5,359
Subsidiary debt		5,582		5,154
BHE Pipeline Group | Subsidiary debt | EGTS
Debt Instrument [Line Items]
Par value		3,259
Subsidiary debt		3,231		3,254
Fair value adjustments		268		312
Debt, net of fair value adjustments		3,499		3,566
BHE Pipeline Group | Subsidiary debt | Northern Natural Gas
Debt Instrument [Line Items]
Par value		2,100
Subsidiary debt		$ 2,083		1,588
BHE Pipeline Group | Subsidiary debt | 2.50% Senior Notes, due 2024 | EEGH
Debt Instrument [Line Items]
Stated rate		2.50%	2.50%
Par value		$ 0
Subsidiary debt		$ 0		600
BHE Pipeline Group | Subsidiary debt | 3.60% Senior Notes, due 2024 | EEGH
Debt Instrument [Line Items]
Stated rate		3.60%	3.60%
Par value		$ 0
Subsidiary debt		$ 0		339
BHE Pipeline Group | Subsidiary debt | 3.317% Senior Notes, due 2026 (€250) | EEGH
Debt Instrument [Line Items]
Stated rate		3.317%	3.317%
Par value		$ 259	€ 250
Subsidiary debt		$ 259		274
Interest rate on derivatives		100.00%	100.00%
Fixed interest rate		1.45%	1.45%
Outstanding principal amount including swap		$ 280		$ 280
Fixed interest rate, including swap		3.317%	3.317%	3.317%
BHE Pipeline Group | Subsidiary debt | 3.00% Senior Notes, due 2029 | EEGH
Debt Instrument [Line Items]
Stated rate		3.00%	3.00%
Par value		$ 174
Subsidiary debt		$ 173		$ 173
BHE Pipeline Group | Subsidiary debt | 3.80% Senior Notes, due 2031 | EEGH
Debt Instrument [Line Items]
Stated rate		3.80%	3.80%
Par value		$ 150
Subsidiary debt		$ 150		150
BHE Pipeline Group | Subsidiary debt | 4.80% Senior Notes, due 2043 | EEGH
Debt Instrument [Line Items]
Stated rate		4.80%	4.80%
Par value		$ 54
Subsidiary debt		$ 53		53
BHE Pipeline Group | Subsidiary debt | 4.60% Senior Notes, due 2044 | EEGH
Debt Instrument [Line Items]
Stated rate		4.60%	4.60%
Par value		$ 56
Subsidiary debt		$ 56		56
BHE Pipeline Group | Subsidiary debt | 3.90% Senior Notes, due 2049 | EEGH
Debt Instrument [Line Items]
Stated rate		3.90%	3.90%
Par value		$ 27
Subsidiary debt		$ 26		26
BHE Pipeline Group | Subsidiary debt | 5.65% Senior Notes, due 2054 | EEGH
Debt Instrument [Line Items]
Stated rate		5.65%	5.65%
Par value		$ 900
Subsidiary debt		$ 892		0
BHE Pipeline Group | Subsidiary debt | 3.60% Senior Notes, due 2024 | EGTS
Debt Instrument [Line Items]
Stated rate		3.60%	3.60%
Par value		$ 0
Subsidiary debt		$ 0		111
BHE Pipeline Group | Subsidiary debt | 3.00% Senior Notes, due 2029 | EGTS
Debt Instrument [Line Items]
Stated rate		3.00%	3.00%
Par value		$ 426
Subsidiary debt		$ 423		422
BHE Pipeline Group | Subsidiary debt | 5.02% Senior Notes, due 2034 | EGTS
Debt Instrument [Line Items]
Stated rate		5.02%	5.02%
Par value		$ 150
Subsidiary debt		$ 149		0
BHE Pipeline Group | Subsidiary debt | 4.80% Senior Notes, due 2043 | EGTS
Debt Instrument [Line Items]
Stated rate		4.80%	4.80%
Par value		$ 346
Subsidiary debt		$ 342		342
BHE Pipeline Group | Subsidiary debt | 4.60% Senior Notes, due 2044 | EGTS
Debt Instrument [Line Items]
Stated rate		4.60%	4.60%
Par value		$ 444
Subsidiary debt		$ 437		437
BHE Pipeline Group | Subsidiary debt | 3.90% Senior Notes, due 2049 | EGTS
Debt Instrument [Line Items]
Stated rate		3.90%	3.90%
Par value		$ 273
Subsidiary debt		$ 271		271
BHE Pipeline Group | Subsidiary debt | 5.80%Senior Bonds, due 2037 | Northern Natural Gas
Debt Instrument [Line Items]
Stated rate		5.80%	5.80%
Par value		$ 150
Subsidiary debt		$ 149		149
BHE Pipeline Group | Subsidiary debt | 4.10%Senior Bonds, due 2042 | Northern Natural Gas
Debt Instrument [Line Items]
Stated rate		4.10%	4.10%
Par value		$ 250
Subsidiary debt		$ 248		248
BHE Pipeline Group | Subsidiary debt | 4.30%Senior Bonds, due 2049 | Northern Natural Gas
Debt Instrument [Line Items]
Stated rate		4.30%	4.30%
Par value		$ 650
Subsidiary debt		$ 651		651
BHE Pipeline Group | Subsidiary debt | 3.40% Senior Bonds, due 2051 | Northern Natural Gas
Debt Instrument [Line Items]
Stated rate		3.40%	3.40%
Par value		$ 550
Subsidiary debt		$ 540		540
BHE Pipeline Group | Subsidiary debt | 5.625% Senior Bonds, due 2054 | Northern Natural Gas
Debt Instrument [Line Items]
Stated rate		5.625%	5.625%
Par value		$ 500
Subsidiary debt		$ 495		$ 0
BHE Pipeline Group | Subsidiary debt | EEGH 5.80% Senior Notes, due 2035 | EEGH | Subsequent event
Debt Instrument [Line Items]
Stated rate	5.80%
Par value	$ 700
BHE Pipeline Group | Subsidiary debt | EEGH 6.20% Senior Notes, due 2055 | EEGH | Subsequent event
Debt Instrument [Line Items]
Stated rate	6.20%
Par value	$ 500