Jointly Owned Utility Facilities (Details) $ in Millions	Dec. 31, 2022 USD ($)
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	$ 10,587
Accumulated depreciation	5,879
Construction work in progress	272
Walter Scott, Jr. No. 4
Jointly Owned Utility Plant Interests [Line Items]
Revenue sharing credits netted against facility in service	733
Revenue sharing credits netted against accumulated depreciation	150
PAC
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	4,702
Accumulated depreciation	2,534
Construction work in progress	$ 178
PAC | Jim Bridger Nos. 1-4
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	67.00%
Facility in service	$ 1,529
Accumulated depreciation	914
Construction work in progress	$ 39
PAC | Hunter No. 1
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	94.00%
Facility in service	$ 517
Accumulated depreciation	227
Construction work in progress	$ 3
PAC | Hunter No. 2
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	60.00%
Facility in service	$ 305
Accumulated depreciation	148
Construction work in progress	$ 6
PAC | Wyodak
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	80.00%
Facility in service	$ 491
Accumulated depreciation	273
Construction work in progress	$ 1
PAC | Colstrip Nos. 3 and 4
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	10.00%
Facility in service	$ 262
Accumulated depreciation	178
Construction work in progress	$ 0
PAC | Hermiston
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 189
Accumulated depreciation	106
Construction work in progress	$ 0
PAC | Craig Nos. 1 and 2
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	19.00%
Facility in service	$ 372
Accumulated depreciation	331
Construction work in progress	$ 0
PAC | Hayden No. 1
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	25.00%
Facility in service	$ 77
Accumulated depreciation	52
Construction work in progress	$ 0
PAC | Hayden No. 2
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	13.00%
Facility in service	$ 44
Accumulated depreciation	31
Construction work in progress	0
PAC | Transmission and distribution facilities
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	916
Accumulated depreciation	274
Construction work in progress	129
MidAmerican Energy
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	4,533
Accumulated depreciation	2,621
Construction work in progress	82
MidAmerican Energy | Transmission and distribution facilities
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	267
Accumulated depreciation	101
Construction work in progress	$ 2
MidAmerican Energy | Louisa No. 1
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	88.00%
Facility in service	$ 976
Accumulated depreciation	511
Construction work in progress	$ 4
MidAmerican Energy | Quad Cities Station
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	25.00%
Facility in service	$ 730
Accumulated depreciation	482
Construction work in progress	$ 11
MidAmerican Energy | Walter Scott, Jr. No. 3
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	79.00%
Facility in service	$ 964
Accumulated depreciation	624
Construction work in progress	$ 13
MidAmerican Energy | Walter Scott, Jr. No. 4
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	60.00%
Facility in service	$ 171
Accumulated depreciation	127
Construction work in progress	$ 7
MidAmerican Energy | George Neal No. 4
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	41.00%
Facility in service	$ 321
Accumulated depreciation	184
Construction work in progress	$ 6
MidAmerican Energy | Ottumwa No. 1
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	52.00%
Facility in service	$ 569
Accumulated depreciation	280
Construction work in progress	$ 19
MidAmerican Energy | George Neal No. 3
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	72.00%
Facility in service	$ 535
Accumulated depreciation	312
Construction work in progress	20
NV Energy
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	621
Accumulated depreciation	394
Construction work in progress	4
NV Energy | Transmission and distribution facilities
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	60
Accumulated depreciation	29
Construction work in progress	$ 1
NV Energy | Navajo
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	11.00%
Facility in service	$ 1
Accumulated depreciation	4
Construction work in progress	$ 0
NV Energy | Valmy
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 399
Accumulated depreciation	327
Construction work in progress	$ 2
NV Energy | On Line Transmission Line
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	25.00%
Facility in service	$ 161
Accumulated depreciation	34
Construction work in progress	1
BHE Pipeline Group
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	731
Accumulated depreciation	330
Construction work in progress	$ 8
BHE Pipeline Group | Ellisburg Pool
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	39.00%
Facility in service	$ 32
Accumulated depreciation	11
Construction work in progress	$ 0
BHE Pipeline Group | Ellisburg Station
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 26
Accumulated depreciation	8
Construction work in progress	$ 3
BHE Pipeline Group | Harrison
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 53
Accumulated depreciation	18
Construction work in progress	$ 0
BHE Pipeline Group | Leidy
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 143
Accumulated depreciation	47
Construction work in progress	$ 1
BHE Pipeline Group | Oakford
Jointly Owned Utility Plant Interests [Line Items]
Ownership share	50.00%
Facility in service	$ 202
Accumulated depreciation	70
Construction work in progress	4
BHE Pipeline Group | Common Facilities
Jointly Owned Utility Plant Interests [Line Items]
Facility in service	275
Accumulated depreciation	176
Construction work in progress	$ 0