Equity - Stock-Based Compensation (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance (in shares)	144
Retirement-eligible employees' age	55 years
Minimum number of years of services	10 years
Pre-tax compensation expense	$ 747	$ 671	$ 692
Tax benefit	136	122	126
After-tax compensation expense	611	549	566
Excess tax benefits realized from stock-based compensation	90	116	50
Cost of products sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	46	38	46
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	278	232	226
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 423	$ 401	$ 420

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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