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Other Financial Data - Stockholders' Equity, Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions				12 Months Ended
	Jan. 12, 2024	Nov. 17, 2022	Nov. 16, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Share repurchase program, additional authorized amount							$ 2,000
Stock repurchase program, authorized amount				$ 18,000
Share repurchase authority utilized during period				15,500
Share repurchase program, available for repurchases				2,500
Excise tax				$ 4
Dividends declared per share (USD per share)		$ 0.98	$ 0.88	$ 3.62	$ 3.25	$ 2.92
Payment of dividends				$ 589	$ 530	$ 482
Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Payment of dividends	$ 163

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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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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