Share Repurchases, Dividends and Earnings per Share - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Oct. 31, 2023 |
|
| Dividends Payable [Line Items] | ||||||||
| Share repurchase authorized amount | $ 3,000 | |||||||
| Stock repurchased and pending settlement (in shares) | 0 | 0 | 0 | 0 | ||||
| Remaining authorized repurchase amount | $ 1,000 | $ 1,000 | ||||||
| Quarterly dividend declared (in dollars per share) | $ 0.625 | $ 0.580 | $ 1.250 | $ 1.160 | ||||
| Cash dividends declared | $ 191 | $ 192 | $ 182 | $ 181 | $ 383 | |||
| Quarterly dividend payable | 191 | $ 191 | $ 193 | |||||
| Retained Earnings | ||||||||
| Dividends Payable [Line Items] | ||||||||
| Cash dividends declared | $ 191 | $ 192 | $ 182 | $ 181 | ||||
| 2021 Plan | ||||||||
| Dividends Payable [Line Items] | ||||||||
| Reserve for stock issuance (in shares) | 10 | 10 | ||||||