$XEL
Xcel Energy Inc Stock $xel

$xel Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000007290321000012 Filed on February 17, 2021

Income Statement

Concept	2019 Q4	2019 Q3	2019 Q2
Revenue	$2.798B	$3.013B	$2.577B
YoY Change	-2.85%	-1.15%	-3.05%
Cost Of Revenue	$284.0M	$64.00M	$122.0M
YoY Change	-9.27%	-4.48%	8.93%
Gross Profit	$2.514B	$2.949B	$2.455B
YoY Change	-2.06%	-1.07%	-3.57%
Gross Profit Margin	89.85%	97.88%	95.27%
Selling, General & Admin	$139.0M	$142.0M	$126.0M
YoY Change	87.84%	84.42%	82.61%
% of Gross Profit	5.53%	4.82%	5.13%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$483.0M	$482.0M	$470.0M
YoY Change	1.47%	1.69%	13.8%
% of Gross Profit	19.21%	16.34%	19.14%
Operating Expenses	$2.061B	$2.191B	$2.044B
YoY Change	-7.41%	-4.11%	-2.48%
Operating Profit	$450.0M	$758.0M	$410.0M
YoY Change	32.74%	8.91%	-8.89%
Interest Expense	-$171.0M	$199.0M	$189.0M
YoY Change	51.33%	12.43%	8.0%
% of Operating Profit	-38.0%	26.25%	46.1%
Other Income/Expense, Net	$17.00M	$8.000M	$2.000M
YoY Change	-185.0%	-214.29%	-200.0%
Pretax Income	$299.0M	$599.0M	$262.0M
YoY Change	43.75%	6.21%	-17.87%
Income Tax	$7.000M	$72.00M	$24.00M
% Of Pretax Income	2.34%	12.02%	9.16%
Net Earnings	$292.0M	$527.0M	$238.0M
YoY Change	36.45%	7.33%	-10.19%
Net Earnings / Revenue	10.44%	17.49%	9.24%
Basic Earnings Per Share	$0.56	$1.02	$0.46
Diluted Earnings Per Share	$0.56	$1.01	$0.46
COMMON SHARES
Basic Shares Outstanding	524.4M shares	519.0M shares	516.0M shares
Diluted Shares Outstanding		521.0M shares	518.0M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$248.0M	$864.0M	$353.0M
YoY Change	68.71%	305.63%	6.33%
Cash & Equivalents	$248.0M	$864.0M	$353.0M
Short-Term Investments
Other Short-Term Assets	$1.484B	$1.371B	$1.366B
YoY Change	-3.57%	-2.49%	-2.78%
Inventory	$544.0M	$544.0M	$483.0M
Prepaid Expenses
Receivables	$837.0M	$821.0M	$737.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.113B	$3.600B	$2.939B
YoY Change	0.61%	19.88%	-3.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$39.48B	$38.70B	$37.65B
YoY Change	6.87%	7.87%	6.69%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$155.0M	$151.0M	$145.0M
YoY Change	9.93%	7.86%	5.07%
Other Assets	$492.0M	$478.0M	$490.0M
YoY Change	80.88%	75.74%	79.49%
Total Long-Term Assets	$47.34B	$46.64B	$45.65B
YoY Change	10.36%	11.49%	10.83%
TOTAL ASSETS
Total Short-Term Assets	$3.113B	$3.600B	$2.939B
Total Long-Term Assets	$47.34B	$46.64B	$45.65B
Total Assets	$50.45B	$50.24B	$48.58B
YoY Change	9.7%	12.06%	9.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.294B	$1.258B	$1.057B
YoY Change	4.61%	5.8%	-3.21%
Accrued Expenses	$386.0M	$358.0M	$369.0M
YoY Change	121.84%	126.58%	109.66%
Deferred Revenue
YoY Change
Short-Term Debt	$595.0M	$933.0M	$1.597B
YoY Change	-42.68%	113.5%	134.16%
Long-Term Debt Due	$706.0M	$857.0M	$557.0M
YoY Change	73.89%	54.14%	-34.93%
Total Short-Term Liabilities	$4.568B	$5.021B	$5.060B
YoY Change	2.42%	30.82%	21.11%
LONG-TERM LIABILITIES
Long-Term Debt	$17.48B	$16.90B	$16.08B
YoY Change	10.64%	8.96%	4.99%
Other Long-Term Liabilities	$186.0M	$186.0M	$190.0M
YoY Change	-9.71%	-7.92%	-15.93%
Total Long-Term Liabilities	$186.0M	$186.0M	$190.0M
YoY Change	-9.71%	-7.92%	-15.93%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.568B	$5.021B	$5.060B
Total Long-Term Liabilities	$186.0M	$186.0M	$190.0M
Total Liabilities	$4.754B	$5.207B	$5.250B
YoY Change	1.89%	28.89%	19.21%
SHAREHOLDERS EQUITY
Retained Earnings	$5.413B	$5.336B	$5.024B
YoY Change	10.63%	9.43%	9.69%
Common Stock	$7.967B	$7.947B	$7.477B
YoY Change	6.9%	7.28%	3.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$13.24B	$13.14B	$12.37B
YoY Change
Total Liabilities & Shareholders Equity	$50.45B	$50.24B	$48.58B
YoY Change	9.7%	12.06%	9.82%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2019 Q2
OPERATING ACTIVITIES
Net Income	$292.0M	$527.0M	$238.0M
YoY Change	36.45%	7.33%	-10.19%
Depreciation, Depletion And Amortization	$483.0M	$482.0M	$470.0M
YoY Change	1.47%	1.69%	13.8%
Cash From Operating Activities	$706.0M	$1.223B	$541.0M
YoY Change	12.24%	15.81%	-1.64%
INVESTING ACTIVITIES
Capital Expenditures	-$1.207B	-$1.329B	-$845.0M
YoY Change	0.84%	55.08%	-17.16%
Acquisitions
YoY Change
Other Investing Activities	-$7.000M	-$92.00M	-$11.00M
YoY Change	-91.57%	-675.0%	-140.74%
Cash From Investing Activities	-$1.214B	-$1.421B	-$856.0M
YoY Change	-5.16%	68.97%	-13.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-108.0M	709.0M	574.0M
YoY Change	-118.46%	-312.28%	-12.9%
NET CHANGE
Cash From Operating Activities	706.0M	1.223B	541.0M
Cash From Investing Activities	-1.214B	-1.421B	-856.0M
Cash From Financing Activities	-108.0M	709.0M	574.0M
Net Change In Cash	-616.0M	511.0M	259.0M
YoY Change	833.33%	-529.41%	19.91%
FREE CASH FLOW
Cash From Operating Activities	$706.0M	$1.223B	$541.0M
Capital Expenditures	-$1.207B	-$1.329B	-$845.0M
Free Cash Flow	$1.913B	$2.552B	$1.386B
YoY Change	4.76%	33.4%	-11.72%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Registrant Name EntityRegistrantName	XCEL ENERGY INC
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000072903
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-3034
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MN
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	41-0448030
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	414 Nicollet Mall
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Minneapolis
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	MN
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	55401
CY2020	dei	City Area Code CityAreaCode	612
CY2020	dei	Local Phone Number LocalPhoneNumber	330-5500
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $2.50 par value
CY2020	dei	Trading Symbol TradingSymbol	XEL
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	32825311125	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	537648833	shares
CY2020	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11526000000	USD
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11529000000	USD
CY2018	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11537000000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	9410000000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	9425000000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	9572000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
CY2020Q4	us-gaap	Assets Assets	53957000000	USD
CY2019Q4	us-gaap	Assets Assets	50448000000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	19645000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	17407000000	USD
CY2020	xel	Regulated Operating Revenue Electric RegulatedOperatingRevenueElectric	9802000000	USD
CY2019	xel	Regulated Operating Revenue Electric RegulatedOperatingRevenueElectric	9575000000	USD
CY2018	xel	Regulated Operating Revenue Electric RegulatedOperatingRevenueElectric	9719000000	USD
CY2020	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1636000000	USD
CY2019	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1868000000	USD
CY2018	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1739000000	USD
CY2020	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	88000000	USD
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11529000000	USD
CY2019	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	86000000	USD
CY2018	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	79000000	USD
CY2020	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11526000000	USD
CY2018	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11537000000	USD
CY2020	xel	Electric Fueland Purchased Power ElectricFuelandPurchasedPower	3512000000	USD
CY2019	xel	Electric Fueland Purchased Power ElectricFuelandPurchasedPower	3510000000	USD
CY2018	xel	Electric Fueland Purchased Power ElectricFuelandPurchasedPower	3854000000	USD
CY2020	xel	Costofnatural Gas Soldand Transported CostofnaturalGasSoldandTransported	689000000	USD
CY2019	xel	Costofnatural Gas Soldand Transported CostofnaturalGasSoldandTransported	918000000	USD
CY2018	xel	Costofnatural Gas Soldand Transported CostofnaturalGasSoldandTransported	843000000	USD
CY2020	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	37000000	USD
CY2019	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	40000000	USD
CY2018	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	35000000	USD
CY2020	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	2324000000	USD
CY2019	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	2338000000	USD
CY2018	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	2352000000	USD
CY2020	xel	Conservationand Demand Side Management Program Expenses ConservationandDemandSideManagementProgramExpenses	288000000	USD
CY2019	xel	Conservationand Demand Side Management Program Expenses ConservationandDemandSideManagementProgramExpenses	285000000	USD
CY2018	xel	Conservationand Demand Side Management Program Expenses ConservationandDemandSideManagementProgramExpenses	290000000	USD
CY2020	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1948000000	USD
CY2019	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1765000000	USD
CY2018	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1642000000	USD
CY2020	us-gaap	Taxes Other TaxesOther	612000000	USD
CY2019	us-gaap	Taxes Other TaxesOther	569000000	USD
CY2018	us-gaap	Taxes Other TaxesOther	556000000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	9410000000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	9425000000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	9572000000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	2116000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	2104000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	1965000000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6000000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	16000000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-14000000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	40000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	39000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	35000000	USD
CY2020	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	115000000	USD
CY2019	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	77000000	USD
CY2018	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	108000000	USD
CY2020	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	28000000	USD
CY2019	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	26000000	USD
CY2018	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	25000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	840000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	773000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	700000000	USD
CY2020	xel	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Debt PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt	42000000	USD
CY2019	xel	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Debt PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt	37000000	USD
CY2018	xel	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Debt PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt	48000000	USD
CY2020	us-gaap	Interest And Debt Expense InterestAndDebtExpense	798000000	USD
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	736000000	USD
CY2018	us-gaap	Interest And Debt Expense InterestAndDebtExpense	652000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1467000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1500000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1442000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	128000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	527000000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	519000000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	528000000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	511000000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	520000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	511000000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.64
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.47
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-2000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-2000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-6000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-5000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	3000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	3000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	10000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	3000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	9000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-3000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-8000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-2000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-10000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-23000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-5000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	2000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	1000000	USD
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CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	58000000	USD
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CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	11455000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1000000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	780000000	USD
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	270000000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	16000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12222000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-17000000	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	846000000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	494000000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	0	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	13239000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	909000000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	764000000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4000000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14575000000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:5pt;text-align:justify"><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates </span><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— Xcel Energy uses estimates based on the best information available in recording transactions and balances resulting from business operations. </span></div><div style="margin-bottom:5pt;text-align:justify"><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Estimates are used on items such as plant depreciable lives or potential disallowances, AROs, certain regulatory assets and liabilities, tax provisions, uncollectible amounts, environmental costs, unbilled revenues, jurisdictional fuel and energy cost allocations and actuarially determined benefit costs. Recorded estimates are revised when better information becomes available or actual amounts can be determined. Revisions can affect operating results.</span></div>
CY2020	xel	Depreciation Expense Expressed As Percentage Of Average Depreciable Property DepreciationExpenseExpressedAsPercentageOfAverageDepreciableProperty	0.034
CY2019	xel	Depreciation Expense Expressed As Percentage Of Average Depreciable Property DepreciationExpenseExpressedAsPercentageOfAverageDepreciableProperty	0.033
CY2018	xel	Depreciation Expense Expressed As Percentage Of Average Depreciable Property DepreciationExpenseExpressedAsPercentageOfAverageDepreciableProperty	0.031
CY2020	xel	Minimum Amount Of Time Between Nuclear Decommissioning Studies In Years MinimumAmountOfTimeBetweenNuclearDecommissioningStudiesInYears	three years
CY2020	xel	Maximum Number Of Months Of Remaining Maturity At Time Of Purchase To Consider Investments In Certain Instruments As Cash Equivalents MaximumNumberOfMonthsOfRemainingMaturityAtTimeOfPurchaseToConsiderInvestmentsInCertainInstrumentsAsCashEquivalents	three months
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	79000000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	55000000	USD
CY2020Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	535000000	USD
CY2019Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	544000000	USD
CY2020	xel	Maximum Number Of Months Following End Of Annual Period In Which Revenues Are Earned To Be Included In Incentive Programs MaximumNumberOfMonthsFollowingEndOfAnnualPeriodInWhichRevenuesAreEarnedToBeIncludedInIncentivePrograms	24 months
CY2020	xel	Maximum Number Of Months Following End Of Annual Period In Which Revenues Are Earned To Be Included In Incentive Programs MaximumNumberOfMonthsFollowingEndOfAnnualPeriodInWhichRevenuesAreEarnedToBeIncludedInIncentivePrograms	24 months
CY2020Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	311000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	59296000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	55844000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16657000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16735000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	42950000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	39483000000	USD
CY2020Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	640000000	USD
CY2020Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	2737000000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	488000000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	2935000000	USD
CY2020Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	5302000000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	407000000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	5077000000	USD
CY2020Q4	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	812000000	USD
CY2019Q4	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	544000000	USD
CY2020Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	75000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	421000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	601000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1151000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	552000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1102000000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	167000000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	148000000	USD
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	537438394	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	524539000	shares
CY2020	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	13000000	USD
CY2020	xel	Potential Federal Tax Adjustments PotentialFederalTaxAdjustments	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	2000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	4000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	4000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	41000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	35000000	USD
CY2020Q4	xel	Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate	11000000	USD
CY2019Q4	xel	Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate	9000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	52000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	44000000	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	44000000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	37000000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	39000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	9000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	10000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	9000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	35000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	34000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	5000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	52000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	44000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	37000000	USD
CY2020Q4	xel	Tax Benefits Associated With Nol And Tax Credit Carryforwards TaxBenefitsAssociatedWithNolAndTaxCreditCarryforwards	31000000	USD
CY2019Q4	xel	Tax Benefits Associated With Nol And Tax Credit Carryforwards TaxBenefitsAssociatedWithNolAndTaxCreditCarryforwards	40000000	USD
CY2020Q4	xel	Net Deferred Tax Liabilityassociatedwiththe Unrecognized Tax Benefit Amountsand Related No Lsand Tax Credit Carryforwards NetDeferredTaxLiabilityassociatedwiththeUnrecognizedTaxBenefitAmountsandRelatedNOLsandTaxCreditCarryforwards	-19000000	USD
CY2019Q4	xel	Net Deferred Tax Liabilityassociatedwiththe Unrecognized Tax Benefit Amountsand Related No Lsand Tax Credit Carryforwards NetDeferredTaxLiabilityassociatedwiththeUnrecognizedTaxBenefitAmountsandRelatedNOLsandTaxCreditCarryforwards	-29000000	USD
CY2020Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	27000000	USD
CY2020Q1	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	0	USD
CY2019Q1	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	0	USD
CY2018Q1	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	-3000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	0	USD
CY2020Q4	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	-3000000	USD
CY2019Q4	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	0	USD
CY2018Q4	xel	Payable For Interest Related To Unrecognized Tax Benefits PayableForInterestRelatedToUnrecognizedTaxBenefits	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2020Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	791000000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	639000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	839000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	937000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	19000000	USD
CY2020Q4	xel	State Tax Credit Carryforward Net Of Federal Detirment StateTaxCreditCarryforwardNetOfFederalDetirment	89000000	USD
CY2019Q4	xel	State Tax Credit Carryforward Net Of Federal Detirment StateTaxCreditCarryforwardNetOfFederalDetirment	89000000	USD
CY2020Q4	xel	Valuation Allowances For State Credit Carryforwards Net Of Federal Benefit ValuationAllowancesForStateCreditCarryforwardsNetOfFederalBenefit	-64000000	USD
CY2019Q4	xel	Valuation Allowances For State Credit Carryforwards Net Of Federal Benefit ValuationAllowancesForStateCreditCarryforwardsNetOfFederalBenefit	-66000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.049
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.049
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.157
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.094
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.052
CY2020	xel	Effective Income Tax Rate Reconciliation Other Regulatory Items Percent EffectiveIncomeTaxRateReconciliationOtherRegulatoryItemsPercent	-0.076
CY2019	xel	Effective Income Tax Rate Reconciliation Other Regulatory Items Percent EffectiveIncomeTaxRateReconciliationOtherRegulatoryItemsPercent	-0.058
CY2018	xel	Effective Income Tax Rate Reconciliation Other Regulatory Items Percent EffectiveIncomeTaxRateReconciliationOtherRegulatoryItemsPercent	-0.062
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.012
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.017
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.017
CY2020Q4	xel	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Percent EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackPercent	-0.009
CY2019	xel	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Percent EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackPercent	0
CY2018	xel	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Percent EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackPercent	0
CY2020	xel	Effective Income Tax Rate Reconcilation Change In Unrecognized Tax Benefits Percent EffectiveIncomeTaxRateReconcilationChangeInUnrecognizedTaxBenefitsPercent	0.005
CY2019	xel	Effective Income Tax Rate Reconcilation Change In Unrecognized Tax Benefits Percent EffectiveIncomeTaxRateReconcilationChangeInUnrecognizedTaxBenefitsPercent	0.005
CY2018	xel	Effective Income Tax Rate Reconcilation Change In Unrecognized Tax Benefits Percent EffectiveIncomeTaxRateReconcilationChangeInUnrecognizedTaxBenefitsPercent	0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.014
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.007
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.004
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.085
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.126
CY2020	xel	Deferred Tax Expense Benefit Excluding Selected Items DeferredTaxExpenseBenefitExcludingSelectedItems	237000000	USD
CY2019	xel	Deferred Tax Expense Benefit Excluding Selected Items DeferredTaxExpenseBenefitExcludingSelectedItems	344000000	USD
CY2018	xel	Deferred Tax Expense Benefit Excluding Selected Items DeferredTaxExpenseBenefitExcludingSelectedItems	320000000	USD
CY2020	xel	Amortization And Adjustments To Deferred Income Taxes On Income Tax Regulatory Assets And Liabilities AmortizationAndAdjustmentsToDeferredIncomeTaxesOnIncomeTaxRegulatoryAssetsAndLiabilities	-247000000	USD
CY2019	xel	Amortization And Adjustments To Deferred Income Taxes On Income Tax Regulatory Assets And Liabilities AmortizationAndAdjustmentsToDeferredIncomeTaxesOnIncomeTaxRegulatoryAssetsAndLiabilities	-206000000	USD
CY2018	xel	Amortization And Adjustments To Deferred Income Taxes On Income Tax Regulatory Assets And Liabilities AmortizationAndAdjustmentsToDeferredIncomeTaxesOnIncomeTaxRegulatoryAssetsAndLiabilities	-102000000	USD
CY2020	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	2000000	USD
CY2019	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	5000000	USD
CY2018	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	0	USD
CY2020Q4	xel	Deferred Tax Assets Tax Deferred Benefit DeferredTaxAssetsTaxDeferredBenefit	8000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense DeferredTaxAssetsTaxDeferredExpense	143000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense DeferredTaxAssetsTaxDeferredExpense	218000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	411000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	483000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	500000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	62.92
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	49.67
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	47.60
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	442000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	464000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	475000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	29000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	29000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	23000000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	880000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	48.20
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	411000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	62.92
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	101000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	53.87
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	442000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	47.63
CY2020	xel	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Dividend Equivalents In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentsInPeriod	32000	shares
CY2020	xel	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Dividend Equivalent In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentInPeriodWeightedAverageGrantDateFairValue	51.56
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	780000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	55.68
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	73000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	58000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	45000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	19000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	15000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12000000	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	51000000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	40000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1100000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1300000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	500000	shares
CY2020	us-gaap	Unrealized Gain On Securities UnrealizedGainOnSecurities	981000000	USD
CY2019	us-gaap	Unrealized Gain On Securities UnrealizedGainOnSecurities	706000000	USD
CY2020	us-gaap	Unrealized Loss On Securities UnrealizedLossOnSecurities	5000000	USD
CY2019	us-gaap	Unrealized Loss On Securities UnrealizedLossOnSecurities	6000000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	165000000	USD
CY2020Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	154000000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	155000000	USD
CY2019Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	136000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	116000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	211000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	257000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	585000000	USD
CY2019Q4	us-gaap	Fair Value Hedges At Fair Value Net FairValueHedgesAtFairValueNet	0	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-80000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-60000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-58000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-10000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-23000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-5000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	5000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	3000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	3000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-85000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-80000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-60000000	USD
CY2018Q4	us-gaap	Fair Value Hedges At Fair Value Net FairValueHedgesAtFairValueNet	0	USD
CY2020Q4	us-gaap	Fair Value Hedges At Fair Value Net FairValueHedgesAtFairValueNet	0	USD
CY2020Q4	xel	Derivative Gross Liability Position Aggregate Fair Value DerivativeGrossLiabilityPositionAggregateFairValue	4000000	USD
CY2019Q4	xel	Derivative Gross Liability Position Aggregate Fair Value DerivativeGrossLiabilityPositionAggregateFairValue	7000000	USD
CY2020Q4	xel	Derivative Gross Liability With Cross Default Position Aggregate Fair Value DerivativeGrossLiabilityWithCrossDefaultPositionAggregateFairValue	60000000	USD
CY2019Q4	xel	Collateral Already Posted Adequate Assurance Clauses Aggregate Fair Value CollateralAlreadyPostedAdequateAssuranceClausesAggregateFairValue	0	USD
CY2020Q4	xel	Collateral Already Posted Adequate Assurance Clauses Aggregate Fair Value CollateralAlreadyPostedAdequateAssuranceClausesAggregateFairValue	0	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	15000000	USD
CY2019Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	32000000	USD
CY2020Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	6000000	USD
CY2019Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	11000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	20066000000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	24412000000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	18109000000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	20227000000	USD
CY2020Q4	xel	Annual Interest Crediting Rates AnnualInterestCreditingRates	1.89	USD
CY2019Q4	xel	Annual Interest Crediting Rates AnnualInterestCreditingRates	2.82	USD
CY2018Q4	xel	Annual Interest Crediting Rates AnnualInterestCreditingRates	3.62	USD
CY2020	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	0	USD
CY2019	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	20000000	USD
CY2019	xel	Postretirement Cash Balance Formula PostretirementCashBalanceFormula	0.05
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	42000000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	39000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	38000000	USD
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	36000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2701000000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	149000000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	8000000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	134000000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-92000000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2884000000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2568000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	26000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	5000000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	128000000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-16000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2701000000	USD
CY2019	xel	Approvedannualaccrualfordecommissioningcosts Approvedannualaccrualfordecommissioningcosts	14000000	USD
CY2018	xel	Approvedannualaccrualfordecommissioningcosts Approvedannualaccrualfordecommissioningcosts	14000000	USD
CY2020	xel	Approvedannualaccrualfordecommissioningcosts Approvedannualaccrualfordecommissioningcosts	14000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.040
CY2020Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P12M
CY2020Q4	xel	Operating Lease Rightof Use Asset Gross OperatingLeaseRightofUseAssetGross	1862000000	USD
CY2019Q4	xel	Operating Lease Rightof Use Asset Gross OperatingLeaseRightofUseAssetGross	1843000000	USD
CY2020Q4	xel	Operating Lease Rightof Use Asset Accumulated Depreciation OperatingLeaseRightofUseAssetAccumulatedDepreciation	372000000	USD
CY2019Q4	xel	Operating Lease Rightof Use Asset Accumulated Depreciation OperatingLeaseRightofUseAssetAccumulatedDepreciation	171000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1490000000	USD
CY2018	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	6000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1672000000	USD
CY2020Q4	xel	Finance Lease Rightof Use Asset Gross FinanceLeaseRightofUseAssetGross	222000000	USD
CY2019Q4	xel	Finance Lease Rightof Use Asset Gross FinanceLeaseRightofUseAssetGross	222000000	USD
CY2020Q4	xel	Finance Lease Rightof Use Asset Accumulated Depreciation FinanceLeaseRightofUseAssetAccumulatedDepreciation	90000000	USD
CY2019Q4	xel	Finance Lease Rightof Use Asset Accumulated Depreciation FinanceLeaseRightofUseAssetAccumulatedDepreciation	83000000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	132000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	139000000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	264000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	255000000	USD
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	248000000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	7000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	6000000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	18000000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	19000000	USD
CY2018	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	19000000	USD
CY2020	xel	Finance Lease Cost FinanceLeaseCost	25000000	USD
CY2019	xel	Finance Lease Cost FinanceLeaseCost	25000000	USD
CY2018	xel	Finance Lease Cost FinanceLeaseCost	25000000	USD
CY2018	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	273000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	14000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	258000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	12000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	239000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	12000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	230000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	12000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	204000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	10000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	655000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	197000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1859000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	257000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	301000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	180000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1558000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	77000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	214000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1344000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	73000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y6M
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P36Y6M
CY2020	xel	Technology Agreement Expiration TechnologyAgreementExpiration	2022
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	110000000	USD
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	101000000	USD
CY2018	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	127000000	USD
CY2020Q4	xel	Assets Held As Collateral For Guarantor Obligations AssetsHeldAsCollateralForGuarantorObligations	0	USD
CY2019Q4	xel	Assets Held As Collateral For Guarantor Obligations AssetsHeldAsCollateralForGuarantorObligations	0	USD
CY2020Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	62000000	USD
CY2019Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	62000000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	165000000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	155000000	USD
CY2020	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11526000000	USD
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11529000000	USD
CY2018	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	11537000000	USD
CY2020	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1948000000	USD
CY2019	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1765000000	USD
CY2018	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1642000000	USD
CY2020	us-gaap	Interest And Debt Expense InterestAndDebtExpense	798000000	USD
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	736000000	USD
CY2018	us-gaap	Interest And Debt Expense InterestAndDebtExpense	652000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	128000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1473000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1372000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1261000000	USD
CY2020Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2811000000	USD
CY2020Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2586000000	USD
CY2020Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3182000000	USD
CY2020Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2947000000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	455000000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	422000000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	813000000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	426000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	295000000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	287000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	603000000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	288000000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.15
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.56
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.14
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2019Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3141000000	USD
CY2019Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2577000000	USD
CY2019Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3013000000	USD
CY2019Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2798000000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	486000000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	410000000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	758000000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	450000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	315000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	238000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	527000000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	292000000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.56
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.405
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.405
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.405
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.405
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-1000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-7000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-1000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	527000000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	519000000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	511000000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	528000000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	520000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	511000000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.64
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.47
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
CY2020	xel	Investments In Utility Money Pool Arrangement InvestmentsInUtilityMoneyPoolArrangement	18000000	USD
CY2019	xel	Investments In Utility Money Pool Arrangement InvestmentsInUtilityMoneyPoolArrangement	-39000000	USD
CY2018	xel	Investments In Utility Money Pool Arrangement InvestmentsInUtilityMoneyPoolArrangement	-85000000	USD

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$XEL
Xcel Energy Inc Stock $xel

2019 Q4 Form 10-K Financial Statement

#000007290321000012 Filed on February 17, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XEL Xcel Energy Inc Stock $xel

2019 Q4 Form 10-K Financial Statement

#000007290321000012 Filed on February 17, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XEL
Xcel Energy Inc Stock $xel