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Supplementary Financial Data - Quarterly Data (Unaudited) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Nov. 03, 2019
Aug. 04, 2019
May 05, 2019
Feb. 03, 2019
Nov. 04, 2018
Aug. 05, 2018
May 06, 2018
Feb. 04, 2018
Nov. 03, 2019
Nov. 04, 2018
Oct. 29, 2017
Quarterly Financial Information Disclosure [Abstract]                      
Net revenue $ 5,776,000,000 $ 5,515,000,000 $ 5,517,000,000 $ 5,789,000,000 $ 5,444,000,000 $ 5,063,000,000 $ 5,014,000,000 $ 5,327,000,000 $ 22,597,000,000 $ 20,848,000,000 $ 17,636,000,000
Gross margin 3,152,000,000 3,034,000,000 3,089,000,000 3,208,000,000 2,935,000,000 2,619,000,000 2,551,000,000 2,628,000,000 12,483,000,000 10,733,000,000 8,509,000,000
Operating income (loss) 1,054,000,000 865,000,000 970,000,000 555,000,000 1,652,000,000 1,339,000,000 1,201,000,000 943,000,000 3,444,000,000 5,135,000,000 2,371,000,000
Income from continuing operations 847,000,000 715,000,000 693,000,000 481,000,000 1,115,000,000 1,197,000,000 3,736,000,000 6,581,000,000 2,736,000,000 12,629,000,000 1,790,000,000
Loss from discontinued operations, net of income taxes 0 0 (2,000,000) (10,000,000) 0 (1,000,000) (3,000,000) (15,000,000) (12,000,000) (19,000,000) (6,000,000)
Net income 847,000,000 715,000,000 691,000,000 471,000,000 1,115,000,000 1,196,000,000 3,733,000,000 6,566,000,000 2,724,000,000 12,610,000,000 1,784,000,000
Dividends on preferred stock 29,000,000 0 0 0 0 0 0 0 29,000,000 0 0
Net income attributable to noncontrolling interest 0 0 0 0 0 0 15,000,000 336,000,000 0 351,000,000 92,000,000
Net income attributable to common stock $ 818,000,000 $ 715,000,000 $ 691,000,000 $ 471,000,000 $ 1,115,000,000 $ 1,196,000,000 $ 3,718,000,000 $ 6,230,000,000 $ 2,695,000,000 $ 12,259,000,000 $ 1,692,000,000
Diluted income per share from continuing operations (in dollars per share) $ 1.97 $ 1.71 $ 1.64 $ 1.15 $ 2.64 $ 2.71 $ 8.34 $ 14.66 $ 6.46 $ 28.48 $ 4.03
Diluted loss per share from discontinued operations, net of income taxes (in dollars per share) 0 0 0 (0.03) 0 0 (0.01) (0.04) (0.03) (0.04) (0.01)
Diluted net income per share (in dollars per share) 1.97 1.71 1.64 1.12 2.64 2.71 8.33 14.62 6.43 28.44 $ 4.02
Dividends declared and paid per share (in dollars per share) $ 2.65 $ 2.65 $ 2.65 $ 2.65 $ 1.75 $ 1.75 $ 1.75 $ 1.75 $ 10.60 $ 7.00  
Amortization of acquisition-related intangible assets $ 1,301,000,000 $ 1,303,000,000 $ 1,299,000,000 $ 1,309,000,000 $ 829,000,000 $ 830,000,000 $ 832,000,000 $ 1,054,000,000      
Impairment on investment                 $ 0 $ 106,000,000 $ 0
Gain (Loss) on Extinguishment of Debt         $ (106,000,000)       0 0 (166,000,000)
Purchase accounting effect on inventory               70,000,000 0 70,000,000 4,000,000
Restructuring, impairment and disposal charges       $ 629,000,000       $ 145,000,000 $ 736,000,000 $ 219,000,000 $ 161,000,000