Stock-Based Compensation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock-based compensation cost, allocation of recognized costs
Pre-tax stock-based compensation cost	$ 987	$ 919	$ 873
Income tax benefits	(249)	(223)	(198)
Net stock-based compensation cost	738	695	675
Unrecognized compensation cost related to non-vested awards	$ 1,500
Unrecognized compensation cost related to non-vested awards, weighted average period of recognition	2 years 7 months 6 days
Employee Stock Purchase Plan
Stock-based compensation cost, allocation of recognized costs
Pre-tax stock-based compensation cost	$ 43
Cost
Stock-based compensation cost, allocation of recognized costs
Pre-tax stock-based compensation cost	164	145	126
SG&A expense
Stock-based compensation cost, allocation of recognized costs
Pre-tax stock-based compensation cost	566	555	550
RD&E expense
Stock-based compensation cost, allocation of recognized costs
Pre-tax stock-based compensation cost	$ 258	$ 218	$ 197

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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