Related Party Transactions - EGTS - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2024
Related Party Transaction [Line Items]
Accrued property, income and other taxes	$ 828,000,000	$ 1,043,000,000
Other long-term liabilities	6,166,000,000	5,917,000,000
Line of credit, maximum capacity	10,705,000,000	11,596,000,000
EGTS
Related Party Transaction [Line Items]
Accrued property, income and other taxes	58,000,000	68,000,000
Income taxes receivable	70,000,000	2,000,000
Natural gas imbalances	34,000,000	72,000,000
Other long-term liabilities	121,000,000	166,000,000
Notes payable to affiliates	2,000,000	0
EEGH
Related Party Transaction [Line Items]
Accrued property, income and other taxes	93,000,000	291,000,000
Income taxes receivable	80,000,000	0
Natural gas imbalances	39,000,000	71,000,000
Other long-term liabilities	144,000,000	139,000,000
Notes payable to affiliates	400,000,000	0
Affiliated entity | EGTS
Related Party Transaction [Line Items]
Natural gas imbalances	2,000,000
BHE | Affiliated entity | EGTS
Related Party Transaction [Line Items]
Accrued property, income and other taxes		7,000,000
Income taxes receivable	57,000,000
BHE | Affiliated entity | EEGH
Related Party Transaction [Line Items]
Accrued property, income and other taxes		188,000,000
Income taxes receivable	67,000,000
MidAmerican Energy | Affiliated entity | EGTS
Related Party Transaction [Line Items]
Other long-term liabilities	48,000,000	35,000,000
MidAmerican Energy | Affiliated entity | EEGH
Related Party Transaction [Line Items]
Other long-term liabilities	53,000,000	39,000,000
EEGH | Affiliated entity | EGTS | Intercompany Revolving Credit Agreement With Eastern Energy Gas, Expiring March 2025 | Line of credit
Related Party Transaction [Line Items]
Line of credit, maximum capacity		400,000,000
Notes payable to affiliates	$ 2,000,000	0
Weighted average interest rate	5.41%
Interest expense, borrowings	$ 1,000,000
EGTS | Affiliated entity | EEGH | Intercompany Revolving Credit Agreement With EGTS, Expiring March 2025
Related Party Transaction [Line Items]
Line of credit, maximum capacity		400,000,000
Notes payable to affiliates	$ 0	$ 0