SEC Schedule, Article 12-09, Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 4,180	$ 1,730	$ 1,570	$ 2,120
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	3,320	1,480	830
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	360	80	190
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	$ 1,230	$ 1,400	$ 1,570