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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Millions
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss
Cumulative Effect, Period of Adoption, Adjustment
 [1]
Equity Attributable to the Company
Equity Attributable to the Company
Cumulative Effect, Period of Adoption, Adjustment
 [2]
Non-controlling Interests
Total Equity
Total Equity
Cumulative Effect, Period of Adoption, Adjustment
 [2]
Balance at beginning of period (in shares) at Oct. 31, 2019   1,294,369                    
Balance at beginning of period at Oct. 31, 2019   $ 13 $ 28,444 $ (7,632) $ 43 [1] $ (3,727) $ (43) $ 17,098   $ 51 $ 17,149  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net earnings (loss)       (488)       (488)   4 (484)  
Other comprehensive income $ 145         145   145     145  
Comprehensive income (loss)               (343)   4 (339)  
Stock-based compensation expense     161         161     161  
Tax withholding related to vesting of employee stock plans     (78)         (78)     (78)  
Issuance of common stock in connection with employee stock plans and other (in shares)   12,640                    
Issuance of common stock in connection with employee stock plans and other     26 1       27   1 28  
Repurchases of common stock (in shares)   (24,756)                    
Repurchases of common stock     (346)         (346)     (346)  
Cash dividends declared       (309)       (309)   (8) (317)  
Balance at beginning of period (in shares) at Apr. 30, 2020   1,282,253                    
Balance at end of period at Apr. 30, 2020   $ 13 28,207 (8,385)   (3,625)   16,210   48 16,258  
Balance at beginning of period (in shares) at Jan. 31, 2020   1,292,903                    
Balance at beginning of period at Jan. 31, 2020   $ 13 28,287 (7,411)   (3,700)   17,189   54 17,243  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net earnings (loss)       (821)       (821)   2 (819)  
Other comprehensive income $ 75         75   75     75  
Comprehensive income (loss)               (746)   2 (744)  
Stock-based compensation expense     68         68     68  
Tax withholding related to vesting of employee stock plans     (6)         (6)     (6)  
Issuance of common stock in connection with employee stock plans and other (in shares)   1,279                    
Issuance of common stock in connection with employee stock plans and other             0     0  
Repurchases of common stock (in shares)   (11,929)                    
Repurchases of common stock     (142)         (142)     (142)  
Cash dividends declared       (153)       (153)   (8) (161)  
Balance at beginning of period (in shares) at Apr. 30, 2020   1,282,253                    
Balance at end of period at Apr. 30, 2020   $ 13 28,207 (8,385)   (3,625)   16,210   48 16,258  
Balance at beginning of period (in shares) at Oct. 31, 2020 1,287,000 1,287,010                    
Balance at beginning of period at Oct. 31, 2020 $ 16,096 $ 13 28,350 (8,375) $ (25) [2] (3,939)   16,049 $ (25) 47 16,096 $ (25)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net earnings (loss)       482       482   4 486  
Other comprehensive income $ 177         177   177     177  
Comprehensive income (loss)               659   4 663  
Stock-based compensation expense     218         218     218  
Tax withholding related to vesting of employee stock plans     (61)         (61)     (61)  
Issuance of common stock in connection with employee stock plans and other (in shares)   17,128                    
Issuance of common stock in connection with employee stock plans and other     31       31     31  
Cash dividends declared       (311)       (311)     (311)  
Balance at beginning of period (in shares) at Apr. 30, 2021 1,304,000 1,304,138                    
Balance at end of period at Apr. 30, 2021 $ 16,611 $ 13 28,538 (8,229)   (3,762)   16,560   51 16,611  
Balance at beginning of period (in shares) at Jan. 31, 2021   1,300,496                    
Balance at beginning of period at Jan. 31, 2021   $ 13 28,427 (8,332)   (3,896)   16,212   47 16,259  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net earnings (loss)       259       259   4 263  
Other comprehensive income $ 134         134   134     134  
Comprehensive income (loss)               393   4 397  
Stock-based compensation expense     105         105     105  
Tax withholding related to vesting of employee stock plans     (4)         (4)     (4)  
Issuance of common stock in connection with employee stock plans and other (in shares)   3,642                    
Issuance of common stock in connection with employee stock plans and other     10         10     10  
Cash dividends declared       (156)       (156)     (156)  
Balance at beginning of period (in shares) at Apr. 30, 2021 1,304,000 1,304,138                    
Balance at end of period at Apr. 30, 2021 $ 16,611 $ 13 $ 28,538 $ (8,229)   $ (3,762)   $ 16,560   $ 51 $ 16,611  
[1] Represents the impact of the adoption of an accounting standard update that allows for the reclassification of stranded tax effects from accumulated other comprehensive loss toaccumulated deficit.
[2] Represents the impact of the adoption of the accounting standard on the measurement of credit losses on financial assets.