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Shareholders' Equity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	May 31, 2021
Schedule of Equity [Line Items]
Purchase of treasury shares	$ 2,500,000,000	$ 750,000,000.0	$ 1,500,000,000
Preferred stock, shares authorized (in shares)	5,000,000.0
Shares issued (in shares)	0	0
Shares held in employee trust (in shares)	50,000,000.0	50,000,000.0
Employee benefit trust	$ 3,013,200,000	$ 3,013,200,000
May 2021 Share Repurchase Program
Schedule of Equity [Line Items]
Stock repurchase program, authorized amount				$ 5,000,000,000.00
December 2024 Share Repurchase Program
Schedule of Equity [Line Items]
Purchase of treasury shares	0
Stock repurchase program, authorized amount	$ 15,000,000,000.00

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- Definition

Amount 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 common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

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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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