Summary of Business and Significant Accounting Policies (Stock-Based Compensation Plans) (Details) $ in Millions	12 Months Ended	252 Months Ended
Jan. 31, 2024	Dec. 31, 2003 USD ($)
Accounting Policies [Abstract]
Stock conversion ratio	1.5
Dividend, share-based payment arrangement		$ 122

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-4

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