Goodwill, Customer Relationships and Other Intangible Assets - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) reporting_unit	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 1,970		$ 1,970
Goodwill, accumulated impairment loss	$ 8,200		$ 8,200
Number of reporting units | reporting_unit	1
Acquired finite-lived intangible asset amortization expense	$ 176	$ 192
Intangible assets, gross, including goodwill	$ 10,600