Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2021

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

Entergy Arkansas [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

Entergy Louisiana [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

Entergy Mississippi [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

Entergy New Orleans [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

Entergy Texas [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.

System Energy [Member]

Difference Between Estimated Incurred Removal Costs And Estimated Removal Costs Recovered In Rates

In accordance with regulatory accounting principles, the Registrant Subsidiaries have recorded regulatory assets (liabilities) in the following amounts to reflect their estimates of the difference between estimated incurred removal costs and estimated removal costs expected to be recovered in rates:

	December 31,
	2021	2020
	(In Millions)
Entergy Arkansas	$224.3	$212.6
Entergy Louisiana	$848.2	$302.5
Entergy Mississippi	$136.8	$107.3
Entergy New Orleans	$91.7	$63.2
Entergy Texas	$98.1	$115.3
System Energy	$89.7	$92.9

Cumulative decommissioning and retirement cost liabilities and expenses

The cumulative decommissioning and retirement cost liabilities and expenses recorded in 2021 and 2020 by Entergy were as follows:

	Liabilities as of December 31, 2020	Accretion	Spending	Dispositions		Liabilities as of December 31, 2021
	(In Millions)
Entergy	$6,469.5	$317.9	($33.2)	($1,997.1)		$4,757.1
Utility
Entergy Arkansas	1,314.2	77.7	—	(1.5)		1,390.4
Entergy Louisiana	1,573.3	79.9	—	—		1,653.2
Entergy Mississippi	9.8	0.5	—	—		10.3
Entergy New Orleans	3.8	0.2	—	—		4.0
Entergy Texas	8.1	0.4	—	—		8.5
System Energy	968.9	38.7	—	—		1,007.6
Entergy Wholesale Commodities
Big Rock Point	41.1	3.4	(2.5)	—		42.0
Indian Point 1	246.6	8.8	(1.3)	(254.1)	(b)	—
Indian Point 2	839.8	28.9	(25.1)	(843.6)	(b)	—
Indian Point 3	869.4	29.1	(0.6)	(897.9)	(b)	—
Palisades	594.1	50.1	(3.8)	—		640.4
Other (a)	0.5	0.1	—	—		0.6

	Liabilities as of December 31, 2019	Accretion	Spending	Liabilities as of December 31, 2020
	(In Millions)
Entergy	$6,159.2	$394.6	($84.3)	$6,469.5
Utility
Entergy Arkansas	1,242.6	73.3	(1.7)	1,314.2
Entergy Louisiana	1,497.3	76.0	—	1,573.3
Entergy Mississippi	9.7	0.6	(0.5)	9.8
Entergy New Orleans	3.5	0.3	—	3.8
Entergy Texas	7.6	0.5	—	8.1
System Energy	931.7	37.2	—	968.9
Entergy Wholesale Commodities
Big Rock Point	40.3	3.3	(2.5)	41.1
Indian Point 1	238.6	20.4	(12.4)	246.6
Indian Point 2	829.0	69.4	(58.6)	839.8
Indian Point 3	808.4	67.4	(6.4)	869.4
Palisades	549.8	46.4	(2.1)	594.1
Other (a)	0.5	—	—	0.5

(a)    See “Coal Combustion Residuals” below for additional discussion regarding the asset retirement obligations related to coal combustion residuals management.

(b)    See Note 14 to the financial statements for discussion of the sale of the Indian Point Energy Center to Holtec International in May 2021.