v3.26.3
Accumulated Other Comprehensive Income (Loss) (Schedule of amounts reclassified from AOCI) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 02, 2026
Aug. 03, 2025
Jul. 28, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Cost of products sold $ (7,002) $ (7,134) $ (6,665)
Other expenses / (income) (171) (273) (261)
Interest Expense (331) (345) (249)
Taxes on earnings (124) (194) (190)
Net Income (Loss) Attributable to The Campbell's Company 403 602 567
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Cost of products sold (3) 3 3
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax (5) 0 1
Taxes on earnings 1 0 0
Net Income (Loss) Attributable to The Campbell's Company (4) 0 1
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Exchange Contract [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Cost of products sold (3) 3 3
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Contract [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Interest Expense (2) (3) (2)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Other expenses / (income) 1 1 0
Taxes on earnings 0 (1) 0
Net Income (Loss) Attributable to The Campbell's Company $ 1 $ 0 $ 0