v3.26.1
Segment Information - BHE - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Revenues $ 6,686 $ 6,394 $ 13,358 $ 12,760  
Cost of sales 2,309 2,358 4,584 4,494  
Operations and maintenance 1,718 1,666 3,279 3,169  
Depreciation and amortization 1,140 1,139 2,275 2,255  
Interest expense 791 709 1,537 1,395  
Interest and dividend income 67 63 121 125  
Income tax expense (benefit) (333) (357) (763) (756)  
Equity income (loss) (172) (160) (306) (280)  
Other segment items (65) (80) (256) (162)  
Earnings on common shares 891 702 2,005 1,886  
Capital expenditures 2,531 2,445 4,949 4,573  
Assets 154,029   154,029   $ 148,327
BHE and Other          
Segment Reporting [Line Items]          
Revenues (37) (31) (96) (78)  
Cost of sales (36) (29) (94) (76)  
Operations and maintenance 30 25 47 38  
Depreciation and amortization 0 0 0 0  
Interest expense 129 139 265 283  
Interest and dividend income (9) (6) (14) (18)  
Income tax expense (benefit) 121 113 48 103  
Equity income (loss) 0 0 0 0  
Other segment items 31 22 23 117  
Earnings on common shares (259) (263) (353) (327)  
Capital expenditures (20) 54 (34) 94  
Assets 216   216   523
PAC | Operating segments          
Segment Reporting [Line Items]          
Revenues 1,801 1,810 3,609 3,578  
Cost of sales 640 723 1,395 1,441  
Operations and maintenance 474 479 937 903  
Depreciation and amortization 315 372 625 671  
Interest expense 270 202 497 389  
Interest and dividend income 43 33 70 61  
Income tax expense (benefit) (53) (33) (74) (52)  
Equity income (loss) 0 0 0 0  
Other segment items (3) 4 (33) (5)  
Earnings on common shares 195 104 266 282  
Capital expenditures 726 718 1,443 1,406  
Assets 42,405   42,405   38,323
MidAmerican Funding | Operating segments          
Segment Reporting [Line Items]          
Revenues 872 860 2,012 1,874  
Cost of sales 196 211 680 580  
Operations and maintenance 231 236 451 463  
Depreciation and amortization 282 255 559 562  
Interest expense 111 105 220 210  
Interest and dividend income 6 8 12 14  
Income tax expense (benefit) (193) (181) (411) (417)  
Equity income (loss) 0 0 0 0  
Other segment items 9 1 (20) (19)  
Earnings on common shares 260 243 505 471  
Capital expenditures 470 335 888 740  
Assets 30,173   30,173   29,712
NV Energy, Inc. | Operating segments          
Segment Reporting [Line Items]          
Revenues 977 857 1,743 1,575  
Cost of sales 462 417 833 774  
Operations and maintenance 164 149 324 286  
Depreciation and amortization 151 138 299 276  
Interest expense 91 79 176 158  
Interest and dividend income 6 5 14 11  
Income tax expense (benefit) 13 9 17 12  
Equity income (loss) 0 0 1 1  
Other segment items 40 17 76 28  
Earnings on common shares 142 87 185 109  
Capital expenditures 764 690 1,395 1,146  
Assets 22,687   22,687   21,118
Northern Powergrid Holdings | Operating segments          
Segment Reporting [Line Items]          
Revenues 325 303 661 729  
Cost of sales 26 33 53 62  
Operations and maintenance 69 58 138 113  
Depreciation and amortization 93 89 191 176  
Interest expense 48 39 96 72  
Interest and dividend income 0 1 1 4  
Income tax expense (benefit) 8 (16) 23 41  
Equity income (loss) 1 1 1 1  
Other segment items (27) (21) (44) (44)  
Earnings on common shares 55 81 118 226  
Capital expenditures 176 171 347 328  
Assets 10,827   10,827   10,819
BHE Pipeline Group | Operating segments          
Segment Reporting [Line Items]          
Revenues 992 864 2,377 2,049  
Cost of sales 79 67 130 121  
Operations and maintenance 290 278 523 502  
Depreciation and amortization 164 153 329 305  
Interest expense 74 72 147 142  
Interest and dividend income 15 14 26 37  
Income tax expense (benefit) 72 51 254 195  
Equity income (loss) 5 10 33 37  
Other segment items (91) (84) (205) (187)  
Earnings on common shares 242 183 848 671  
Capital expenditures 264 266 479 454  
Assets 23,233   23,233   22,977
BHE Transmission | Operating segments          
Segment Reporting [Line Items]          
Revenues 185 181 374 366  
Cost of sales 7 3 12 9  
Operations and maintenance 44 39 83 74  
Depreciation and amortization 50 49 102 104  
Interest expense 38 37 75 73  
Interest and dividend income 1 1 1 1  
Income tax expense (benefit) 1 3 5 7  
Equity income (loss) 21 20 43 43  
Other segment items (12) (10) (22) (20)  
Earnings on common shares 55 61 119 123  
Capital expenditures 65 101 173 182  
Assets 9,633   9,633   9,762
BHE Renewables | Operating segments          
Segment Reporting [Line Items]          
Revenues 298 286 543 543  
Cost of sales 2 9 37 54  
Operations and maintenance 110 128 207 262  
Depreciation and amortization 76 73 152 141  
Interest expense 30 34 61 65  
Interest and dividend income 2 3 4 7  
Income tax expense (benefit) (309) (318) (628) (654)  
Equity income (loss) (202) (194) (387) (366)  
Other segment items (8) (8) (22) (15)  
Earnings on common shares 181 161 309 301  
Capital expenditures 80 108 249 220  
Assets 11,249   11,249   11,644
HomeServices | Operating segments          
Segment Reporting [Line Items]          
Revenues 1,273 1,264 2,135 2,124  
Cost of sales 933 924 1,538 1,529  
Operations and maintenance 306 274 569 528  
Depreciation and amortization 9 10 18 20  
Interest expense 0 2 0 3  
Interest and dividend income 3 4 7 8  
Income tax expense (benefit) 7 15 3 9  
Equity income (loss) 3 3 3 4  
Other segment items (4) (1) (9) (17)  
Earnings on common shares 20 45 8 30  
Capital expenditures 6 $ 2 9 $ 3  
Assets $ 3,606   $ 3,606   $ 3,449