Goodwill and Intangible assets, net (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Net Carrying Amount of Goodwill

The changes in the net carrying amount of goodwill are as follows (in millions):

	Employer		Professional
	Solutions		Services		Total
Balance as of December 31, 2022	$	3,606		73		3,679
Acquisitions(1)		1		—		1
Foreign currency translation		1		—		1
Balance as of June 30, 2023	$	3,608		73		3,681

(1)Amount related to preliminary purchase price adjustments from the 2022 acquisition.

Schedule of Intangible Assets by Asset Class

Intangible assets by asset class are as follows (in millions):

	June 30, 2023						December 31, 2022
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Intangible assets:
Customer-related and contract based    intangibles	$	3,670	$	487	$	3,183	$	3,670	$	364	$	3,306
Technology related intangibles		263		85		178		263		63		200
Trade name (finite life)		409		57		352		408		42		366
Total	$	4,342	$	629	$	3,713	$	4,341	$	469	$	3,872

Schedule of Intangible Asset Net Carrying Amount and Weighted Average Remaining Useful Lives

The following table reflects intangible assets net carrying amount and weighted-average remaining useful lives as of June 30, 2023 (in millions, except for years):

	Net		Weighted-Average
	Carrying		Remaining
	Amount		Useful Lives
Intangible assets at June 30, 2023:
Customer-related and contract-based    intangibles	$	3,183		13.0
Technology-related intangibles		178		4.0
Trade name (finite life)		352		12.8
Total	$	3,713

Schedule of Intangible Assets Expected Annual Amortization Expense

Subsequent to June 30, 2023, the annual amortization expense is expected to be as follows (in millions):

	Customer-Related		Technology		Trade
	and Contract Based		Related		Name
	Intangibles		Intangibles		Intangibles
2023 (July - December)	$	123	$	22	$	14
2024		246		44		29
2025		246		44		28
2026		246		44		27
2027		246		24		27
Thereafter		2,076		—		227
Total amortization expense	$	3,183	$	178	$	352