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Stock-Based Incentive Compensation Plans and Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2023

Disclosure of Stock-Based Incentive Compensation Plans and Employee Benefit Plans [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The following table summarizes CenterPoint Energy’s expenses related to LTIPs for 2023, 2022 and 2021:

			Year Ended December 31,
			2023						2022						2021
			(in millions)
LTIP compensation expense (1)			$	65					$	51					$	48
Income tax benefit recognized			15						12						11
Actual tax benefit realized for tax deductions			17						6						4

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income and shown prior to any amounts capitalized.

Share-Based Compensation, Activity

The following tables summarize CenterPoint Energy’s LTIP activity for 2023

			Year Ended December 31, 2023
			Shares (Thousands)						Weighted-Average Grant Date Fair Value						Remaining Average Contractual Life (Years)						Aggregate Intrinsic Value (2) (Millions)
Performance Awards (1)
Outstanding and nonvested as of December 31, 2022			5,157						$	24.26
Granted			1,960						29.18
Forfeited or canceled			(291)						27.38
Vested and released to participants			(1,601)						23.08
Outstanding and nonvested as of December 31, 2023			5,225						$	25.95					1.1						$	101
Stock Unit Awards
Outstanding and nonvested as of December 31, 2022			2,296						$	25.03
Granted			606						30.83
Forfeited or canceled			(93)						27.10
Vested and released to participants			(948)						24.48
Outstanding and nonvested as of December 31, 2023			1,861						$	26.91					0.7						$	53

 

(1)Reflects maximum performance achievement.

(2)Reflects the impact of current expectations of achievement and stock price.

Share-Based Compensation Arrangement By Award, Weighted Average Grant Date Fair Value, Grant Date Intrinsic Value, and Vested Grant Date Fair Value

Additional information related to the Performance Awards and Stock Unit Awards is as follows:

			Year Ended December 31,
			2023						2022						2021
			(in millions, except for per unit amounts)
Performance Awards
Weighted-average grant date fair value per unit of awards granted			$	29.18					$	28.12					$	21.89
Total intrinsic value of awards received by participants			47						13						7
Vested grant date fair value			37						13						8
Stock Unit Awards
Weighted-average grant date fair value per unit of awards granted			$	30.83					$	28.44					$	24.20
Total intrinsic value of awards received by participants			28						14						11
Vested grant date fair value			23						13						11

Schedule of Net Benefit Costs

CenterPoint Energy’s net periodic cost includes the following components relating to pension, including the non-qualified benefit plans:

			Year Ended December 31,
			2023						2022						2021
			(in millions)
Service cost (1)			$	25					$	29					$	39
Interest cost (2)			76						73						59
Expected return on plan assets (2)			(76)						(87)						(103)
Amortization of net loss (2)			28						31						36
Settlement cost (2) (3)			—						126						38
Net periodic cost			$	53					$	172					$	69

 

(1)Amounts presented in the table above are included in Operation and maintenance expense in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

(3)A one-time, non-cash settlement cost is required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. In 2023, 2022 and 2021, CenterPoint Energy recognized non-cash settlement cost due to lump sum settlement payments. The transfer of assets related to the 2022 Annuity Lift-Out is considered a lump sum settlement payment.

Postretirement benefits are accrued over the active service period of employees. The net postretirement benefit cost includes the following components:

			Year Ended December 31,
			2023																		2022																		2021
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions)
Service cost (1)			$	1					$	—					$	1					$	2					$	—					$	1					$	2					$	—					$	1
Interest cost (2)			13						5						5						9						4						3						9						4						3
Expected return on plan assets (2)			(5)						(4)						(1)						(5)						(4)						(1)						(4)						(3)						(1)
Amortization of prior service cost (credit) (2)			(2)						(5)						2						(3)						(4)						2						(4)						(5)						1
Amortization of net loss (2)			(8)						(4)						(3)						(4)						(2)						(1)						—						—						—
Net postretirement benefit cost (credit)			$	(1)					$	(8)					$	4					$	(1)					$	(6)					$	4					$	3					$	(4)					$	4

(1)Amounts presented in the table above are included in Operation and maintenance expense in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals and amounts capitalized.

(2)Amounts presented in the table above are included in Other, net in each of the Registrants’ respective Statements of Consolidated Income, net of regulatory deferrals.

Schedule of Assumptions Used

CenterPoint Energy used the following assumptions to determine net periodic cost relating to pension benefits:

			Year Ended December 31,
			2023						2022						2021
Discount rate			5.15		%				2.80		%				2.45		%
Expected return on plan assets			6.50						5.00						5.00
Rate of increase in compensation levels			4.99						4.95						5.05

The following assumptions were used to determine net periodic cost relating to postretirement benefits:

			Year Ended December 31,
			2023																		2022																		2021
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
Discount rate			5.15		%				5.15		%				5.15		%				2.85		%				2.85		%				2.85		%				2.50		%				2.50		%				2.50		%
Expected return on plan assets			5.13						5.26						4.69						3.22						3.32						2.86						3.20						3.30						2.85

Schedule of Net Pension and Post-retirement Benefit Costs

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in the Consolidated Balance Sheets as well as the key assumptions of CenterPoint Energy’s pension plans. The measurement dates for plan assets and obligations were December 31, 2023 and 2022.

			December 31,
			2023						2022
			(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year			$	1,553					$	2,298
Service cost			25						29
Interest cost			76						73
Benefits paid (4)			(147)						(509)
Actuarial (gain) loss (1)			41						(338)
Plan amendment			—						—
Benefit obligation, end of year			1,548						1,553
Change in Plan Assets
Fair value of plan assets, beginning of year			1,212						2,072
Employer contributions			32						35
Benefits paid (4)			(147)						(509)
Actual investment return			107						(386)
Fair value of plan assets, end of year			1,204						1,212
Funded status, end of year			$	(344)					$	(341)
Amounts Recognized in Balance Sheets
Non-current assets			$	4					$	—
Current liabilities-other			(7)						(7)
Other liabilities-benefit obligations			(341)						(334)
Net liability, end of year			$	(344)					$	(341)
Actuarial Assumptions
Discount rate (2)			4.95		%				5.15		%
Expected return on plan assets (3)			6.50						6.50
Rate of increase in compensation levels			4.97						4.99
Interest crediting rate			3.00						3.00

(1)Significant sources of loss for 2023 include the decrease in discount rate from 5.15% to 4.95%, partially offset by significant sources of gain that include actual return on assets exceeding expected return on plan assets during 2023.

(2)The discount rate assumption was determined by matching the projected cash flows of CenterPoint Energy’s plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of CenterPoint Energy’s plans and the expected return for each asset class.

(4)Benefits paid for 2022 includes $136 million related to the 2022 Annuity Lift-Out.

The following table summarizes changes in the benefit obligation, plan assets, the amounts recognized in consolidated balance sheets and the key assumptions of the postretirement plans. The measurement dates for plan assets and benefit obligations were December 31, 2023 and 2022.

			December 31,
			2023																		2022
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions, except for actuarial assumptions)
Change in Benefit Obligation
Benefit obligation, beginning of year			$	263					$	115					$	92					$	336					$	148					$	118
Service cost			1						—						1						2						—						1
Interest cost			13						5						5						9						4						3
Participant contributions			6						2						3						6						2						3
Benefits paid			(20)						(8)						(8)						(20)						(7)						(8)
Plan amendment			—						—						—						3						—						2
Actuarial (gain) loss (1)			—						(1)						—						(73)						(32)						(27)
Benefit obligation, end of year			263						113						93						263						115						92
Change in Plan Assets
Fair value of plan assets, beginning of year			109						84						25						132						104						29
Employer contributions			7						—						4						8						1						4
Participant contributions			6						2						3						6						2						3
Benefits paid			(20)						(8)						(8)						(20)						(7)						(8)
Actual investment return			10						8						2						(17)						(16)						(3)
Fair value of plan assets, end of year			112						86						26						109						84						25
Funded status, end of year			$	(151)					$	(27)					$	(67)					$	(154)					$	(31)					$	(67)
Amounts Recognized in Balance Sheets
Current liabilities — other			$	(7)					$	—					$	(4)					$	(7)					$	—					$	(4)
Other liabilities — benefit obligations			(144)						(27)						(63)						(147)						(31)						(64)
Net liability, end of year			$	(151)					$	(27)					$	(67)					$	(154)					$	(31)					$	(68)
Actuarial Assumptions
Discount rate (2)			4.95		%				4.95		%				4.95		%				5.15		%				5.15		%				5.15		%
Expected return on plan assets (3)			5.13						5.26						4.69						3.66						3.75						3.35
Medical cost trend rate assumed for the next year - Pre-65			7.25						7.25						7.25						6.50						6.50						6.50
Medical/prescription drug cost trend rate assumed for the next year - Post-65			22.76						22.76						22.76						23.66						23.66						23.66
Prescription drug cost trend rate assumed for the next year - Pre-65			9.00						9.00						9.00						8.00						8.00						8.00
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)			4.50						4.50						4.50						4.50						4.50						4.50
Year that the cost trend rates reach the ultimate trend rate - Pre-65			2033						2033						2033						2032						2032						2032
Year that the cost trend rates reach the ultimate trend rate - Post-65			2033						2033						2033						2032						2032						2032

(1)Significant sources of loss for 2023 include updated life insurance rates and the decrease in discount rate from 5.15% to 4.95%.

(2)The discount rate assumption was determined by matching the projected cash flows of the plans against a hypothetical yield curve of high-quality corporate bonds represented by a series of annualized individual discount rates from one-half to 99 years.

(3)The expected rate of return assumption was developed using the targeted asset allocation of the plans and the expected return for each asset class.

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

The following table displays pension benefits related to CenterPoint Energy’s pension plans that have accumulated benefit obligations in excess of plan assets:

			December 31,
			2023												2022
			Pension (Qualified)						Pension (Non-qualified)						Pension (Qualified)						Pension (Non-qualified)
			(in millions)
Accumulated benefit obligation			$	1,496					$	48					$	1,497					$	51
Projected benefit obligation			1,500						48						1,502						51
Fair value of plan assets			1,204						—						1,212						—

Schedule of Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive loss (gain) consist of the following:

			December 31,
			2023																		2022
			Pension Benefits						Postretirement Benefits												Pension Benefits						Postretirement Benefits
			CenterPoint Energy						CenterPoint Energy						CERC						CenterPoint Energy						CenterPoint Energy						CERC
			(in millions)
Unrecognized actuarial loss (gain)			$	69					$	(34)					$	(27)					$	70					$	(36)					$	(28)
Unrecognized prior service cost			—						12						10						—						13						11
Net amount recognized in accumulated other comprehensive loss (gain)			$	69					$	(22)					$	(17)					$	70					$	(23)					$	(17)

Changes in accumulated comprehensive income (loss) are as follows:

			Year Ended December 31,
			2023												2022
			CenterPoint Energy												CERC						CenterPoint Energy												CERC
			(in millions)
Beginning Balance			$	(31)											$	16					$	(64)											$	10
Other comprehensive income (loss) before reclassifications:
Remeasurement of pension and other postretirement plans			(8)												—						(40)												10
Amounts reclassified from accumulated other comprehensive loss:
Net deferred gain from cash flow hedges			1												—						—												—
Prior service cost (1)			1												(2)						(1)												(1)
Actuarial losses (1)			1												2						8												1
Settlement (2)			—												—						67												—
Reclassification of deferred loss from cash flow hedges realized in net income			—												—						1												—
Tax benefit (expense)			1												—						(2)												(4)
Net current period other comprehensive income (loss)			(4)												—						33												6
Ending Balance			$	(35)											$	16					$	(31)											$	16

(1)Amounts are included in the computation of net periodic cost and are reflected in Other, net in each of the Registrants’ respective Statements of Consolidated Income.

(2)Amounts presented represent a one-time, non-cash settlement cost (benefit), prior to regulatory deferrals, which are required when the total lump sum distributions or other settlements of plan benefit obligations during a plan year exceed the service cost and interest cost components of the net periodic cost for that year. Amounts presented in the table above are included in Other income (expense), net in CenterPoint Energy’s Statements of Consolidated Income, net of regulatory deferrals.

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The changes in plan assets and benefit obligations recognized in other comprehensive income during 2023 are as follows:

			Pension Benefits						Postretirement Benefits
			CenterPoint Energy						CenterPoint Energy						CERC
			(in millions)
Net loss (gain)			$	2					$	—					$	1
Amortization of net loss			(3)						2						(2)
Amortization of prior service cost			—						(1)						1
Settlement			—						—						—
Total recognized in comprehensive income			$	(1)					$	1					$	—
Total recognized in net periodic costs and Other comprehensive income			$	52					$	—					$	4

Target Allocation of Plan Assets

As part of the investment strategy discussed above, CenterPoint Energy maintained the following weighted-average allocation targets for its pension plans as of December 31, 2023:

			Minimum						Maximum
U.S. equity			17		%				27		%
International equity			9		%				19		%
Real estate			2		%				11		%
Fixed income			54		%				64		%
Cash			—		%				2		%

As part of the investment strategy discussed above, the Registrants maintained the following weighted-average allocation targets for the postretirement plans as of December 31, 2023:

			CenterPoint Energy												Houston Electric												CERC
			Minimum						Maximum						Minimum						Maximum						Minimum						Maximum
U.S. equities			14		%				24		%				13		%				23		%				15		%				25		%
International equities			3		%				13		%				3		%				13		%				2		%				12		%
Fixed income			69		%				79		%				69		%				79		%				68		%				78		%
Cash			—		%				2		%				—		%				2		%				—		%				2		%

Schedule of Allocation of Plan Assets

The following tables set forth by level, within the fair value hierarchy (see Note 10), CenterPoint Energy’s pension plan assets at fair value as of December 31, 2023 and 2022:

			Fair Value Measurements as of December 31,
			2023																								2022
			(Level 1)						(Level 2)						(Level 3)						Total						(Level 1)						(Level 2)						(Level 3)						Total
			(in millions)
Cash			$	21					$	—					$	—					$	21					$	7					$	—					$	—					$	7
Corporate bonds:
Investment grade or above			—						469						—						469						—						467						—						467
Equity securities:
U.S. companies			30						—						—						30						29						—						—						29
Cash received as collateral from securities lending			94						—						—						94						47						—						—						47
U.S. treasuries and government agencies			178						—						—						178						163						—						—						163
Mortgage backed securities			—						15						—						15						—						6						—						6
Asset backed securities			—						1						—						1						—						2						—						2
Municipal bonds			—						25						—						25						—						24						—						24
International government bonds			—						9						—						9						—						10						—						10
Obligation to return cash received as collateral from securities lending			(94)						—						—						(94)						(47)						—						—						(47)
Financial instruments			—						(4)						—						(4)						—						—						—						—
Total investments at fair value			$	229					$	515					$	—					744						$	199					$	509					$	—					708
Investments measured by net asset value per share or its equivalent (1) (2)																					460																								504
Total Investments																					$	1,204																							$	1,212

(1)Represents investments in pooled investment funds and common collective trust funds.

(2)The amounts invested in pooled investment funds were 100% allocated to real estate. The amounts invested common collective trust funds were allocated as follows:

									As of December 31,
									2023												2022
International equities									40		%										40		%
U.S. equities									59		%										56		%
Fixed income									1		%										4		%

The following table sets forth by level, within the fair value hierarchy (see Note 10), the Registrants’ postretirement plan assets at fair value as of December 31, 2023 and 2022:

			Fair Value Measurements as of December 31,
			2023																								2022
			Mutual Funds
			(Level 1)						(Level 2)						(Level 3)						Total						(Level 1)						(Level 2)						(Level 3)						Total
			(in millions)
CenterPoint Energy			$	113					$	—					$	—					$	113					$	109					$	—					$	—					$	109
Houston Electric			86						—						—						86						84						—						—						84
CERC			26						—						—						26						25						—						—						25

The amounts invested in mutual funds were allocated as follows:

			As of December 31,
			2023																		2022
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
Fixed income			72		%				72		%				71		%				74		%				74		%				74		%
U.S. equities			20		%				19		%				22		%				18		%				17		%				20		%
International equities			8		%				9		%				6		%				8		%				8		%				6		%

Benefit Plan Contributions

The Registrants made the following contributions in 2023 and are required to make the following minimum contributions in 2024 to the indicated benefit plans below:

			Contributions in 2023																		Expected Minimum Contributions in 2024
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions)
Qualified pension plans			$	24					$	—					$	—					$	2					$	—					$	—
Non-qualified pension plans			8						—						—						7						—						—
Postretirement benefit plans			7						—						4						8						1						4

Schedule of Expected Benefit Payments

The following benefit payments are expected to be paid by the pension and postretirement benefit plans:

			Pension Benefits						Postretirement Benefits
			CenterPoint Energy						CenterPoint Energy						Houston Electric						CERC
			(in millions)
2024			$	141					$	14					$	6					$	5
2025			143						16						6						6
2026			137						17						7						6
2027			135						19						8						7
2028			133						20						9						7
2029-2033			606						107						49						36

Defined Contribution Plan Disclosures

CenterPoint Energy allocates the savings plan benefit expense to Houston Electric and CERC related to their respective employees. The following table summarizes the Registrants’ savings plan benefit expense for 2023, 2022 and 2021:

			Year Ended December 31,
			2023																		2022																		2021
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions)
Savings plan benefit  expenses (1)			$	67					$	23					$	20					$	72					$	23					$	22					$	58					$	20					$	23

(1)Amounts presented in the table above are included in Operation and maintenance expense in the Registrants’ respective Statements of Consolidated Income and shown prior to any amounts capitalized.

Other Benefit Plans

Expenses related to other benefit plans were recorded as follows:

			Year Ended December 31,
			2023																		2022																		2021
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions)
Postemployment benefits			$	(1)					$	—					$	—					$	4					$	1					$	1					$	3					$	1					$	2
Deferred compensation plans			(1)						—						—						1						—						—						3						—						—

Amounts related to other benefit plans were included in Benefit Obligations in the Registrants’ accompanying Consolidated Balance Sheets as follows:

			December 31, 2023																		December 31, 2022
			CenterPoint Energy						Houston Electric						CERC						CenterPoint Energy						Houston Electric						CERC
			(in millions)
Postemployment benefits			$	5					$	2					$	3					$	9					$	3					$	4
Deferred compensation plans			26						3						1						28						4						1
Split-dollar life insurance arrangements			46						1						—						22						1						—

Other Employee Matters

As of December 31, 2023, the Registrants’ employees were covered by collective bargaining agreements as follows:

									Percentage of Employees Covered
			Agreement Expiration						CenterPoint Energy						Houston Electric						CERC
IBEW Local 66			May 2026						17		%				53		%				—		%
OPEIU Local 12			December 2025						2		%				—		%				2		%
Gas Workers Union Local 340			April 2025						5		%				—		%				13		%
IBEW Locals 1393 and USW Locals 12213 & 7441			December 2026						3		%				—		%				8		%
IBEW Locals 949			December 2025						3		%				—		%				7		%
USW Locals 13-227			June 2027						5		%				—		%				13		%
USW Locals 13-1			June 2027						—		%				—		%				1		%
IBEW Local 702			June 2025						3		%				—		%				—		%
Teamsters Local 135/215			September 2024						—		%				—		%				—		%
UWUA Local 175			October 2024						2		%				—		%				4		%
Total									40		%				53		%				48		%

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