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Summary Of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for Entergy by functional category, as of December 31, 2023 and 2022, is shown below:
20232022
 (In Millions)
Production  
Nuclear$7,944 $7,936 
Other7,045 7,256 
Transmission9,927 9,590 
Distribution12,927 12,363 
Other3,173 2,906 
Construction work in progress2,110 1,844 
Nuclear fuel708 582 
Property, plant, and equipment - net$43,834 $42,477 
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table presents Entergy’s basic and diluted earnings per share calculations included on the consolidated income statements:
 For the Years Ended December 31,
 202320222021
 
(Dollars In Thousands, Except Per Share Data; Shares in Millions)
  $/share $/share $/share
Consolidated net income$2,362,310 $1,097,138 $1,118,719 
Less: Preferred dividend requirements of subsidiaries and noncontrolling interests5,774 (6,028)227 
Net income attributable to Entergy Corporation$2,356,536  $1,103,166  $1,118,492  
Basic shares and earnings per average common share211.6 $11.14 204.5 $5.40 200.9 $5.57 
Average dilutive effect of:      
Stock options0.3 (0.01)0.4 (0.01)0.4 (0.01)
Other equity plans0.5 (0.03)0.5 (0.02)0.6 (0.02)
Equity forwards— — 0.1 — — — 
Diluted shares and earnings per average common share212.4 $11.10 205.5 $5.37 201.9 $5.54 
Entergy Arkansas [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
Entergy Louisiana [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
Entergy Mississippi [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
Entergy New Orleans [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
Entergy Texas [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.
System Energy [Member]  
Public Utility Property, Plant, and Equipment [Table Text Block]
Net property, plant, and equipment (including property under lease and associated accumulated amortization) for the Registrant Subsidiaries by functional category, as of December 31, 2023 and 2022, is shown below:
2023Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,859 $4,153 $— $— $— $1,932 
Other892 3,583 958 386 1,177 — 
Transmission2,102 4,283 1,483 143 1,882 32 
Distribution3,395 4,371 2,272 692 2,197 — 
Other571 1,156 395 370 311 38 
Construction work in progress341 593 140 25 858 131 
Nuclear fuel214 333 — — — 161 
Property, plant, and equipment - net$9,374 $18,472 $5,248 $1,616 $6,425 $2,294 
2022Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
 (In Millions)
Production      
Nuclear$1,858 $4,116 $— $— $— $1,962 
Other916 3,652 988 403 1,244 — 
Transmission2,086 4,055 1,435 131 1,846 34 
Distribution2,981 4,827 2,035 625 1,895 — 
Other508 1,062 357 357 289 17 
Construction work in progress417 737 170 40 339 103 
Nuclear fuel176 213 — — — 193 
Property, plant, and equipment - net$8,942 $18,662 $4,985 $1,556 $5,613 $2,309 
Schedule Of Depreciation Rates On Average Depreciable Property [Table Text Block]
Depreciation rates on average depreciable property for the Registrant Subsidiaries are shown below:
 Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasSystem Energy
20232.7%2.6%3.6%3.3%4.0%1.6%
20222.7%2.4%3.6%3.2%3.1%2.0%
20212.7%2.4%3.6%3.2%3.2%1.9%
Schedule of Jointly Owned Utility Plants [Table Text Block] As of December 31, 2023, the subsidiaries’ investment and accumulated depreciation in each of these generating stations were as follows:
Generating StationsFuel TypeTotal Megawatt Capability (a)OwnershipInvestmentAccumulated Depreciation
     (In Millions)
Utility:      
Entergy Arkansas -      
  IndependenceUnit 1Coal824 31.50 %$145 $108 
  IndependenceCommon FacilitiesCoal 15.75 %$42 $31 
  White BluffUnits 1 and 2Coal1,244 57.00 %$593 $404 
  Ouachita (b)Common FacilitiesGas66.67 %$173 $159 
  Union (c)Common FacilitiesGas25.00 %$29 $12 
Entergy Louisiana -      
  Roy S. NelsonUnit 6Coal514 40.25 %$299 $224 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 22.04 %$22 $11 
  Big Cajun 2Unit 3Coal548 24.15 %$149 $136 
  Big Cajun 2Unit 3 Common FacilitiesCoal8.05 %$5 $3 
  Ouachita (b)Common FacilitiesGas33.33 %$91 $79 
  AcadiaCommon FacilitiesGas50.00 %$22 $3 
  Union (c)Common FacilitiesGas50.00 %$59 $14 
Entergy Mississippi -     
  IndependenceUnits 1 and 2 and Common FacilitiesCoal1,666 25.00 %$293 $182 
Entergy New Orleans -
  Union (c)Common FacilitiesGas25.00 %$30 $10 
Entergy Texas -      
  Roy S. NelsonUnit 6Coal514 29.75 %$211 $141 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 16.30 %$8 $4 
  Big Cajun 2Unit 3Coal548 17.85 %$112 $101 
  Big Cajun 2Unit 3 Common FacilitiesCoal5.95 %$4 $2 
  Montgomery County Unit 1Gas91592.44 %$745 $54 
System Energy -      
  Grand Gulf (d)Unit 1Nuclear1,383 90.00 %$5,499 $3,494 
Other:      
  IndependenceUnit 2Coal842 14.37 %$79 $59 
  IndependenceCommon FacilitiesCoal 7.18 %$21 $15 
  Roy S. NelsonUnit 6Coal514 10.90 %$120 $74 
  Roy S. NelsonUnit 6 Common FacilitiesCoal 5.97 %$3 $1 

(a)“Total Megawatt Capability” is the dependable summer load carrying capability as demonstrated under actual operating conditions based on the primary fuel (assuming no curtailments) that each station was designed to utilize.
(b)Ouachita Units 1 and 2 are owned 100% by Entergy Arkansas and Ouachita Unit 3 is owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the common facilities and not for the generating units.
(c)Union Unit 1 is owned 100% by Entergy New Orleans, Union Unit 2 is owned 100% by Entergy Arkansas, Union Units 3 and 4 are owned 100% by Entergy Louisiana.  The investment and accumulated depreciation numbers above are only for the specified common facilities and not for the generating units.
(d)Includes a leasehold interest held by System Energy.  System Energy’s Grand Gulf lease obligations are discussed in Note 5 to the financial statements.