XML 61 R40.htm IDEA: XBRL DOCUMENT v3.24.0.1

Stock-based Compensation and Defined Contribution Plans (Tables)

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Stock-based Compensation Expense

The following table summarizes our stock-based compensation expense and the related income tax benefit:

			Year Ended December 31,
			2023						2022						2021
			(millions)
Stock-based compensation expense			$	20					$	17					$	12
Tax benefit			$	5					$	4					$	3

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity for the year ended December 31, 2023:

			Restricted Stock Units						Weighted- Average Grant Date Fair Value
			(thousands)						(per share)
Nonvested as of December 31, 2022			468						$	43.28
Granted (a)			103						51.28
Forfeited			(5)						47.80
Vested			(149)						41.52
Nonvested as of December 31, 2023			417						$	45.68

_____________________________________

(a)Includes initial grants and dividends reinvested.

Summary of Performance Shares Activity

The following table summarizes performance share award activity for the year ended December 31, 2023:

			Performance Share Awards						Weighted- Average Grant Date Fair Value
			(thousands)						(per share)
Nonvested as of December 31, 2022			409						$	56.55
Granted (a)			334						59.02
Forfeited			(19)						62.31
Settled			(167)						34.83
Nonvested as of December 31, 2023			557						$	64.36

_____________________________________

(a)Includes initial grants, dividends reinvested and shares added for achievement of final performance objectives on settled awards.

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in restricted stock units (RSUs).

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (c)
-Paragraph 2
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration