Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Information [Abstract]
Cash Paid For Interest	$ 555	$ 471	$ 790
Cash Paid For Income Taxes	2,182	1,324	896
Non-cash Investing and Financing Activities [Abstract]
Acquired but unpaid property, plant and equipment	379	347	150
Fair value of equity awards exchanged	43
Fair value of contingent consideration	183
Finance lease ROU assets obtained in exchange for new finance lease liabilities	15	5	1
Declared but unpaid dividends	104	89	77
Issuance of stock upon vesting of restricted stock units	265	217	182
Cash and cash equivalents	4,477	10,325
Restricted cash included in other current assets	13	10
Restricted cash included in other assets	1	1
Cash, cash equivalents and restricted cash	$ 4,491	$ 10,336	$ 2,422	$ 2,117
Restricted Cash and Cash Equivalents, Current, Asset, Statement of Financial Position [Extensible List]	Other current assets
Restricted Cash and Cash Equivalents, Noncurrent, Asset, Statement of Financial Position [Extensible List]	Other assets