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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	Aug. 01, 2025	Sep. 27, 2024
CDM [Member]
Summary Of Significant Accounting Policies [Line Items]
Acquisition of all the Outstanding Noncontrolling Interests in CDM	$ 260
Gain (Loss) on Investments	$ 17
CDM [Member] | Ownership in Cotton Draw Midstream [Member]
Summary Of Significant Accounting Policies [Line Items]
Business Aquisition Ownership Percentage	100.00%
Williston Acquisition [Member]
Summary Of Significant Accounting Policies [Line Items]
Business Combination, Contingent Consideration, Asset, Total		$ 5,000
Cash paid related to acquisition		$ 3,500
Common Stock [Member] | Williston Acquisition [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of shares sold in acquisition		37.3

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