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Equity - Authorized common stock repurchases (Details) - USD ($) shares in Millions	1 Months Ended	12 Months Ended
	Feb. 06, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jun. 23, 2025	Feb. 11, 2025	Apr. 30, 2024	May 04, 2023
Share Repurchase Program [Line Items]
Authorized amount					$ 2,000,000,000
Purchase of common stock		$ 2,141,000,000	$ 1,803,000,000	$ 503,000,000
June 23, 2025
Share Repurchase Program [Line Items]
Authorized amount					$ 2,000,000,000
Authorization Remaining		2,000,000,000
February 11, 2025
Share Repurchase Program [Line Items]
Authorized amount						$ 2,000,000,000
Authorization Remaining		592,000,000
April 30, 2024
Share Repurchase Program [Line Items]
Authorized amount							$ 2,000,000,000
Authorization Remaining		0
May 4, 2023
Share Repurchase Program [Line Items]
Authorized amount								$ 1,000,000,000
Authorization Remaining		$ 0
Subsequent Event
Share Repurchase Program [Line Items]
Authorization Remaining	$ 2,100,000,000
Shares repurchased (in shares)	15.4
Purchase of common stock	$ 469,000,000