Segment Information - Revenue by Location (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 29,652	$ 30,154	$ 28,586
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	23,962	24,412	23,320
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 5,690	$ 5,742	$ 5,266