Business Combinations - Estimated Fair Values of Aggregate Assets and Liabilities Acquired (Parenthetical) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Business Combination, Separately Recognized Transaction [Line Items]
Total consideration	$ 10,112
Purchased Customer Accounts
Business Combination, Separately Recognized Transaction [Line Items]
Weighted average life (years)	14 years
Other Acquisitions | Maximum
Business Combination, Separately Recognized Transaction [Line Items]
Total consideration	$ 50