Consolidated Balance Sheet (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts, accounts receivable	$ 1,000	$ 877
Allowance for doubtful accounts, other receivables	2,084	1,433
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	7,039	6,930
Finite-lived Intangible Assets, Accumulated Amortization	$ 7,279	$ 6,137
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10	10
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000	3,000
Common stock, shares issued	924	934
Common Stock, Shares, Outstanding	924	934