Cash Flow Information (Narrative) (Details) - USD ($) $ in Billions	May 03, 2024	Nov. 02, 2023
Denbury Inc.
Equity interests issued or issuable, number of shares (in shares)		46,000,000
Business acquisition, equity interest issued or issuable, value assigned		$ 4.8
Pioneer Natural Resources
Equity interests issued or issuable, number of shares (in shares)	545,000,000
Business acquisition, equity interest issued or issuable, value assigned	$ 63.0
Business combination, consideration transferred, liabilities incurred	$ 5.0

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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