Insider Trading Arrangements	3 Months Ended
	Jun. 30, 2023 shares
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	true
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Robert M. Alexander [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	Robert M. Alexander, our Chief Information Officer, entered into a pre-arranged stock trading plan on May 3, 2023. Mr. Alexander’s plan provides for the potential exercise of vested stock options and the associated sale of up to 42,524 shares of Capital One common stock in amounts and prices determined in accordance with a formula set forth in the plan and terminates on the earlier of the date all shares under the plan are sold and July 26, 2024. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended, and Capital One’s policies regarding transactions in its securities.
Name	Robert M. Alexander
Title	Chief Information Officer
Adoption Date	May 3, 2023
Arrangement Duration	450 days
Aggregate Available	42,524