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Stock-Based Compensation - Narrative (Detail) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) installment $ / shares shares	Dec. 31, 2024 USD ($) $ / shares	Dec. 31, 2023 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value per unit (in usd per share) \| $ / shares	$ 43.75	$ 40.31	$ 37.53
Payments made to settle compensation classified as liability awards	$ 525	$ 508	$ 415
Restricted Stock Units and Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to the unvested portion of RSUs and PSUs	$ 734
Weighted-average period of unrecognized compensation expense related to the unvested portion of RSUs and PSUs (in years)	2 years
Share-based compensation	$ 815	$ 795	$ 533
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award performance cycle	3 years
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares available for awards under the long-term incentive plan (in shares) \| shares	37
2017 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equal annual installments for award vesting \| installment	3