Stockholders' Equity Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Dec. 31, 2024 |
Nov. 19, 2024 |
Sep. 13, 2022 |
Jun. 26, 2019 |
|
| Equity, Class of Treasury Stock [Line Items] | ||||||
| Common Stock, Par Value | $ 0.01 | $ 0.01 | $ 0.01 | |||
| Repurchase of Common Stock | $ 270 | $ 252 | ||||
| 2024 Stock Repurchase Program | ||||||
| Equity, Class of Treasury Stock [Line Items] | ||||||
| Share Repurchase Program, Authorized, Amount | $ 3,000 | |||||
| 2022 Stock Repurchase Program | ||||||
| Equity, Class of Treasury Stock [Line Items] | ||||||
| Share Repurchase Program, Authorized, Amount | $ 2,000 | |||||
| Stock Repurchased and Retired During Period, Shares | 4,313,000 | 4,630,000 | ||||
| Repurchase of Common Stock | $ 270 | $ 250 | ||||
| 2022 Stock Repurchase Program | Share Repurchase from Pension Plan [Member] | Pension Plan | ||||||
| Equity, Class of Treasury Stock [Line Items] | ||||||
| Repurchase of Common Stock | $ 145 | $ 125 | ||||
| Corteva [Member] | ||||||
| Equity, Class of Treasury Stock [Line Items] | ||||||
| Common Stock, Par Value | $ 0.01 | $ 0.01 | ||||