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Shareholders' Equity - Shares Repurchased and Reissued (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jul. 24, 2023
Equity, Class of Treasury Stock [Line Items]
Repurchase of common shares	$ 599	$ 568	$ 1,871	$ 1,727
Stock repurchase program, authorized amount					$ 3,500
Remaining balance under stock repurchase program	$ 1,500		$ 1,500
Reissuance of treasury stock (in shares)			0.7	0.6
Common Stock Repurchases
Equity, Class of Treasury Stock [Line Items]
Repurchase of common shares (in shares)			3.8	4.7
Repurchase of common shares			$ 1,600	$ 1,500
Restricted Stock Units Repurchases
Equity, Class of Treasury Stock [Line Items]
Repurchase of common shares (in shares)			0.3	0.3
Repurchase of common shares			$ 110	$ 99
Option Repurchases
Equity, Class of Treasury Stock [Line Items]
Repurchase of common shares (in shares)			0.4	0.3
Repurchase of common shares			$ 149	$ 109

X

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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