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Revenue from Contracts with Customers Revenue from Contracts with Customers (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 3,317 $ 3,429 $ 6,833 $ 7,116
Operating revenue 4,612 4,894 9,139 9,504
Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 102 138 220 276
Electricity and natural gas [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 3,419 3,567 7,053 7,392
PacifiCorp [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,127 1,143 2,297 2,382
Operating revenue 1,144 1,167 2,350 2,426
PacifiCorp [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 17 24 53 44
MidAmerican Funding [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 610 653 1,292 1,488
Operating revenue 616 660 1,302 1,502
MidAmerican Funding [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 6 7 10 14
NV Energy, Inc. [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 687 713 1,302 1,320
Operating revenue 695 721 1,317 1,335
NV Energy, Inc. [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 8 8 15 15
Northern Powergrid Holdings [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 196 219 436 457
Operating revenue 221 243 487 506
Northern Powergrid Holdings [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 25 24 51 49
BHE Pipeline Group [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 221 212 621 584
Operating revenue 225 212 626 583
BHE Pipeline Group [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 4 0 5 (1) [1]
BHE Transmission [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 169 175 341 343
Operating revenue 169 175 341 343
BHE Transmission [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 0 0 0 0
BHE Renewables [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 212 197 371 323
Operating revenue 244 249 422 416
BHE Renewables [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 32 52 51 93
Berkshire Hathaway Energy And Other [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 95 [2] 117 [2] 173 219 [2]
Operating revenue 105 [2] 140 [2] 208 281 [2]
Berkshire Hathaway Energy And Other [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 10 [2] 23 [2] 35 62 [2]
Regulated Operation [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 2,969 3,063 6,182 6,470
Regulated Operation [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 2,172 2,232 4,233 4,388
Regulated Operation [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 104 116 338 413
Regulated Operation [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 59 86 136 242
Regulated Operation [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 419 441 881 903
Regulated Operation [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 195 188 547 523
Regulated Operation [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 20 0 47 1
Regulated Operation [Member] | PacifiCorp [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,127 1,143 2,297 2,382
Regulated Operation [Member] | PacifiCorp [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,066 1,107 2,188 2,293
Regulated Operation [Member] | PacifiCorp [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | PacifiCorp [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 17 11 17 39
Regulated Operation [Member] | PacifiCorp [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 24 25 46 50
Regulated Operation [Member] | PacifiCorp [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | PacifiCorp [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 20 0 46 0
Regulated Operation [Member] | MidAmerican Funding [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 607 643 1,283 1,472
Regulated Operation [Member] | MidAmerican Funding [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 468 467 878 910
Regulated Operation [Member] | MidAmerican Funding [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 84 95 271 355
Regulated Operation [Member] | MidAmerican Funding [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 37 66 101 176
Regulated Operation [Member] | MidAmerican Funding [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 18 15 33 31
Regulated Operation [Member] | MidAmerican Funding [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | MidAmerican Funding [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | NV Energy, Inc. [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 686 713 1,300 1,320
Regulated Operation [Member] | NV Energy, Inc. [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 638 658 1,167 1,185
Regulated Operation [Member] | NV Energy, Inc. [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 20 21 67 58
Regulated Operation [Member] | NV Energy, Inc. [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 6 10 20 28
Regulated Operation [Member] | NV Energy, Inc. [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 22 24 45 48
Regulated Operation [Member] | NV Energy, Inc. [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | NV Energy, Inc. [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 1 1
Regulated Operation [Member] | Northern Powergrid Holdings [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 191 209 424 439
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 191 209 424 439
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | Northern Powergrid Holdings [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Pipeline Group [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 221 212 621 584
Regulated Operation [Member] | BHE Pipeline Group [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Pipeline Group [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Pipeline Group [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Pipeline Group [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Pipeline Group [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 221 212 621 584
Regulated Operation [Member] | BHE Pipeline Group [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Transmission [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 164 168 333 335
Regulated Operation [Member] | BHE Transmission [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Transmission [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Transmission [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Transmission [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 164 168 333 335
Regulated Operation [Member] | BHE Transmission [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Transmission [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | BHE Renewables [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax (27) [2] (25) [2] (76) (62) [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 [2] 0 [2] 0 0 [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Regulated retail gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 [2] 0 [2] 0 0 [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax (1) [2] (1) [2] (2) (1) [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 [2] 0 [2] 0 0 [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Regulated interstate pipeline [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax (26) [2] (24) [2] (74) (61) [2]
Regulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 [2] 0 [2] 0 0 [2]
Unregulated Operation [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 348 366 651 646
Unregulated Operation [Member] | PacifiCorp [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Unregulated Operation [Member] | MidAmerican Funding [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 3 10 9 16
Unregulated Operation [Member] | NV Energy, Inc. [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1 0 2 0
Unregulated Operation [Member] | Northern Powergrid Holdings [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 5 10 12 18
Unregulated Operation [Member] | BHE Pipeline Group [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 0 0 0
Unregulated Operation [Member] | BHE Transmission [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 5 7 8 8
Unregulated Operation [Member] | BHE Renewables [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 212 197 371 323
Unregulated Operation [Member] | Berkshire Hathaway Energy And Other [Member] | Nonregulated products and services [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 122 [2] 142 [2] 249 281 [2]
PacifiCorp [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 1,144 1,167 2,350 2,426
PacifiCorp [Member] | Non-contracts with customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Operating revenue 17 24 53 44
PacifiCorp [Member] | Regulated Operation [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,127 1,143 2,297 2,382
PacifiCorp [Member] | Regulated Operation [Member] | Regulated retail electric [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,066 1,085 2,188 2,255
PacifiCorp [Member] | Regulated Operation [Member] | Regulated wholesale [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 17 11 17 39
PacifiCorp [Member] | Regulated Operation [Member] | Regulated transmission and distribution [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 24 25 46 50
PacifiCorp [Member] | Regulated Operation [Member] | Other customer revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 20 $ 22 $ 46 $ 38
[1] (2)
[2] (1)The BHE and Other reportable segment represents amounts related principally to other entities, corporate functions and intersegment eliminations.