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Stockholders' Equity (Tables)
12 Months Ended
Oct. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule of Accumulated Other Comprehensive loss, net of taxes
The components of accumulated other comprehensive loss, net of taxes as of October 31, 2021 and changes during fiscal 2021 were as follows:
Net unrealized
gains (losses) on
available-for-sale
securities
Net unrealized
gains (losses)
on cash
flow hedges
Unrealized
components
of defined
benefit plans
Cumulative
translation
adjustment
Accumulated
other
comprehensive
loss
In millions
Balance at beginning of period$18 $(7)$(3,473)$(477)$(3,939)
Other comprehensive income (loss) before reclassifications(3)(50)763 16 726 
Reclassifications of (gains) losses into earnings— 156 285 — 441 
Tax (provision) benefit— (18)(120)(5)(143)
Balance at end of period$15 $81 $(2,545)$(466)$(2,915)
The components of accumulated other comprehensive loss, net of taxes as of October 31, 2020 and changes during fiscal 2020 were as follows:
Net unrealized
gains (losses) on
available-for-sale
securities
Net unrealized
gains (losses)
on cash
flow hedges
Unrealized
components
of defined
benefit plans
Cumulative
translation
adjustment
Accumulated
other
comprehensive
loss
In millions
Balance at beginning of period$23 $53 $(3,366)$(437)$(3,727)
Effect of change in accounting principle (1)
— (10)— (33)(43)
Other comprehensive income (loss) before reclassifications(1)(40)(358)(12)(411)
Reclassifications of (gains) losses into earnings(4)(21)259 — 234 
Tax (provision) benefit— 11 (8)
Balance at end of period$18 $(7)$(3,473)$(477)$(3,939)
(1)Reflects the adoption of the FASB guidance on stranded tax effects.
The components of accumulated other comprehensive loss, net of taxes as of October 31, 2019 and changes during fiscal 2019 were as follows:
Net unrealized
gains (losses) on
available-for-sale
securities
Net unrealized
gains (losses)
on cash
flow hedges
Unrealized
components
of defined
benefit plans
Cumulative
translation
adjustment
Accumulated
other
comprehensive
loss
In millions
Balance at beginning of period$17 $106 $(2,922)$(419)$(3,218)
Other comprehensive income (loss) before reclassifications308 (701)(18)(402)
Reclassifications of (gains) losses into earnings(3)(371)231 — (143)
Tax (provision) benefit— 10 26 — 36 
Balance at end of period$23 $53 $(3,366)$(437)$(3,727)