Condensed Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Assets
Accounts receivable, net	$ 1,249	$ 1,315
Derivative instruments	114	104
Total current assets	4,325	4,069
Investment in subsidiaries	246	244
Other assets	635	678
Total other assets	8,512	8,368
Total assets	70,035	64,079
Liabilities and Equity
Dividends payable	314	289
Short-term debt	695	785
Other current liabilities	635	722
Total current liabilities	6,459	5,652
Other liabilities	89	148
Total deferred credits and other liabilities	16,738	15,898
Capitalization
Total common stockholders’ equity	19,522	17,616
Total liabilities and equity	70,035	64,079
NSP Minnesota
Liabilities and Equity
Long-term Debt, Current Maturities	250	0
Xcel Energy Inc.
Assets
Accounts receivable, net	410	404
Xcel Energy Inc.
Assets
Cash and cash equivalents	16	24
Other current assets	9	5
Total current assets	435	433
Investment in subsidiaries	26,519	23,873
Other assets	6	(20)
Total other assets	26,691	23,853
Total assets	27,126	24,286
Liabilities and Equity
Long-term Debt, Current Maturities	600	0
Dividends payable	314	289
Short-term debt	235	165
Other current liabilities	90	66
Total current liabilities	1,239	520
Other liabilities	28	12
Total deferred credits and other liabilities	28	12
Capitalization
Long-term debt, noncurrent	6,337	6,137
Total common stockholders’ equity	19,522	17,617
Total capitalization	25,859	23,754
Total liabilities and equity	27,126	24,286
Series Due June 1, 2051 | Xcel Energy [Member] | Mortgage bonds | NSP Minnesota
Assets
Face Amount	$ 166	$ 0