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Equity - Authorized common stock repurchases (Details) - USD ($) shares in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 30, 2026	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Jun. 23, 2025	Feb. 11, 2025	Apr. 30, 2024	May 04, 2023
Share Repurchase Program [Line Items]
Authorized amount						$ 2,000,000,000.0
Purchase of common stock		$ 187,000,000	$ 384,000,000	$ 1,752,000,000	$ 1,024,000,000
Subsequent Event
Share Repurchase Program [Line Items]
Authorization Remaining	$ 800,000,000
Shares repurchased (in shares)	2
Purchase of common stock	$ 64,000,000
June 23, 2025
Share Repurchase Program [Line Items]
Authorized amount						$ 2,000,000,000
Authorization Remaining		857,000,000		857,000,000
February 11, 2025
Share Repurchase Program [Line Items]
Authorized amount							$ 2,000,000,000
Authorization Remaining		0		0
April 30, 2024
Share Repurchase Program [Line Items]
Authorized amount								$ 2,000,000,000
Authorization Remaining		0		0
May 4, 2023
Share Repurchase Program [Line Items]
Authorized amount									$ 1,000,000,000
Authorization Remaining		$ 0		$ 0