Subsidiary Debt - BHE Pipeline Group (Details) € in Millions, $ in Millions	Jan. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)
Debt Instrument [Line Items]
Par value		$ 52,313
Subsidiary debt
Debt Instrument [Line Items]
Par value		39,012
Subsidiary debt		38,971		$ 37,539
BHE Pipeline Group | Subsidiary debt
Debt Instrument [Line Items]
Par value		4,876
Subsidiary debt		5,154		5,849
Eastern Energy Gas | Subsidiary debt
Debt Instrument [Line Items]
Par value		3,276
Subsidiary debt		3,254		3,892
Fair value adjustments		312		368
Debt, net of fair value adjustments		$ 3,566		4,260
Eastern Energy Gas | Subsidiary debt | 2.875% Senior Notes, due 2023
Debt Instrument [Line Items]
Stated rate		2.875%	2.875%
Par value		$ 0
Subsidiary debt		$ 0		250
Eastern Energy Gas | Subsidiary debt | 3.55% Senior Notes, due 2023
Debt Instrument [Line Items]
Stated rate		3.55%	3.55%
Par value		$ 0
Subsidiary debt		$ 0		399
Eastern Energy Gas | Subsidiary debt | 2.50% Senior Notes, due 2024
Debt Instrument [Line Items]
Stated rate		2.50%	2.50%
Par value		$ 600
Subsidiary debt		$ 600		598
Eastern Energy Gas | Subsidiary debt | 3.60% Senior Notes, due 2024
Debt Instrument [Line Items]
Stated rate		3.60%	3.60%
Par value		$ 339
Subsidiary debt		$ 339		338
Eastern Energy Gas | Subsidiary debt | 3.32% Senior Notes, due 2026 (€250)
Debt Instrument [Line Items]
Stated rate		3.32%	3.32%
Par value		$ 276	€ 250
Subsidiary debt		$ 274		$ 267
Interest rate on derivatives		100.00%	100.00%
Fixed interest rate		3.32%	3.32%	3.32%
Outstanding principal amount including swap		$ 280		$ 280
Eastern Energy Gas | Subsidiary debt | 3.00% Senior Notes, due 2029
Debt Instrument [Line Items]
Stated rate		3.00%	3.00%
Par value		$ 174
Subsidiary debt		$ 173		173
Eastern Energy Gas | Subsidiary debt | 3.80% Senior Notes, due 2031
Debt Instrument [Line Items]
Stated rate		3.80%	3.80%
Par value		$ 150
Subsidiary debt		$ 150		150
Eastern Energy Gas | Subsidiary debt | 4.80% Senior Notes, due 2043
Debt Instrument [Line Items]
Stated rate		4.80%	4.80%
Par value		$ 54
Subsidiary debt		$ 53		53
Eastern Energy Gas | Subsidiary debt | 4.60% Senior Notes, due 2044
Debt Instrument [Line Items]
Stated rate		4.60%	4.60%
Par value		$ 56
Subsidiary debt		$ 56		56
Eastern Energy Gas | Subsidiary debt | 3.90% Senior Notes, due 2049
Debt Instrument [Line Items]
Stated rate		3.90%	3.90%
Par value		$ 27
Subsidiary debt		$ 26		26
Eastern Energy Gas | Subsidiary debt | EEGH 3.32% Senior Notes, due 2026, denominated in euros
Debt Instrument [Line Items]
Par value | €			€ 250
Fixed interest rate		1.45%	1.45%
EGTS | Subsidiary debt
Debt Instrument [Line Items]
Subsidiary debt					$ 1,600
EGTS | Subsidiary debt | 3.60% Senior Notes, due 2024
Debt Instrument [Line Items]
Stated rate		3.60%	3.60%
Par value		$ 111
Subsidiary debt		$ 111		110
EGTS | Subsidiary debt | 3.00% Senior Notes, due 2029
Debt Instrument [Line Items]
Stated rate		3.00%	3.00%
Par value		$ 426
Subsidiary debt		$ 422		422
EGTS | Subsidiary debt | 4.80% Senior Notes, due 2043
Debt Instrument [Line Items]
Stated rate		4.80%	4.80%
Par value		$ 346
Subsidiary debt		$ 342		342
EGTS | Subsidiary debt | 4.60% Senior Notes, due 2044
Debt Instrument [Line Items]
Stated rate		4.60%	4.60%
Par value		$ 444
Subsidiary debt		$ 437		437
EGTS | Subsidiary debt | 3.90% Senior Notes, due 2049
Debt Instrument [Line Items]
Stated rate		3.90%	3.90%
Par value		$ 273
Subsidiary debt		271		271
Northern Natural Gas | Subsidiary debt
Debt Instrument [Line Items]
Par value		1,600
Subsidiary debt		$ 1,588		1,589
Northern Natural Gas | Subsidiary debt | 5.80% Senior Bonds, due 2037
Debt Instrument [Line Items]
Stated rate		5.80%	5.80%
Par value		$ 150
Subsidiary debt		$ 149		149
Northern Natural Gas | Subsidiary debt | 4.10% Senior Bonds, due 2042
Debt Instrument [Line Items]
Stated rate		4.10%	4.10%
Par value		$ 250
Subsidiary debt		$ 248		248
Northern Natural Gas | Subsidiary debt | 4.30% Senior Bonds, due 2049
Debt Instrument [Line Items]
Stated rate		4.30%	4.30%
Par value		$ 650
Subsidiary debt		$ 651		652
Northern Natural Gas | Subsidiary debt | 3.40% Senior Bonds, due 2051
Debt Instrument [Line Items]
Stated rate		3.40%	3.40%
Par value		$ 550
Subsidiary debt		$ 540		$ 540
Northern Natural Gas | Subsidiary debt | Senior Bonds, 5.625%, Due 2054 | Subsequent event
Debt Instrument [Line Items]
Stated rate	5.625%
Par value	$ 500