Borrowings (Details 2) - USD ($)	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Dec. 30, 2016
Long-term debt
Total long-term debt	$ 10,136,000,000	$ 10,182,000,000
Fair value adjustment related to hedged debt	(353,000,000)	(142,000,000)
Unamortized debt issuance costs	(42,000,000)	(47,000,000)
Less: current portion	(1,196,000,000)	(3,005,000,000)
Face amount of debt instrument		$ 0		$ 14,600,000,000
Discount to par (as a percent)		0.00%
Interest rate		0.00%
Interest expense on borrowings recognized in Combined Statements of Earnings
Financing interest	278,000,000	$ 265,000,000	$ 249,000,000
Interest expense	353,000,000	334,000,000	298,000,000
Total interest expense	631,000,000	599,000,000	$ 547,000,000
$2,650 issued at discount to par at a price of 99.872% in October 2015 at 2.85%, due October 5, 2018, interest payable semi-annually on April 5 and October 5 of each year
Long-term debt
Total long-term debt	0	2,648,000,000
Face amount of debt instrument	$ 2,650,000,000	$ 2,650,000,000
Discount to par (as a percent)	99.872%	99.872%
Interest rate	2.85%	2.85%
$250 issued at par in October 2015 at three-month USD LIBOR plus 1.93%, due October 5, 2018, interest payable quarterly on January 5, April 5, July 5 and October 5 of each year | LIBOR
Long-term debt
Total long-term debt	$ 0	$ 250,000,000
Face amount of debt instrument	$ 250,000,000	$ 250,000,000
Interest rate	1.93%	1.93%
$1,100 issued at discount to par at a price of 99.994% in September 2017 at 2.10%, due October 4, 2019, interest payable semi-annually on April 4 and October 4 of each year
Long-term debt
Total long-term debt	$ 1,100,000,000	$ 1,100,000,000
Face amount of debt instrument	$ 1,100,000,000
Discount to par (as a percent)	99.994%
Interest rate	2.10%
$3,000 issued at discount to par at a price of 99.972% in October 2015 at 3.6%, due October 15, 2020, interest payable semi-annually on April 15 and October 15 of each year
Long-term debt
Total long-term debt	$ 3,000,000,000	3,000,000,000
Face amount of debt instrument	$ 3,000,000,000	$ 3,000,000,000
Discount to par (as a percent)	99.972%	99.972%
Interest rate	3.60%	3.60%
$500 issued at discount to par at a price of 99.861% in September 2018 at 3.5%, due October 5, 2021, interest payable semi-annually on April 5 and October 5 of each year
Long-term debt
Total long-term debt	$ 499,000,000	$ 0
Face amount of debt instrument	$ 500,000,000	$ 500,000,000
Discount to par (as a percent)	99.861%	99.861%
Interest rate	3.50%	3.50%
$800 issued at par in September 2018 at three-month USD LIBOR plus 0.72% due October 5, 2021, interest payable semi-annually on April 5 and October 5 of each year
Long-term debt
Total long-term debt	$ 800,000,000	$ 0
$800 issued at par in September 2018 at three-month USD LIBOR plus 0.72% due October 5, 2021, interest payable semi-annually on April 5 and October 5 of each year | LIBOR
Long-term debt
Face amount of debt instrument	$ 800,000,000	$ 800,000,000
Interest rate	0.72%	0.72%
$1,350 issued at discount to par at a price of 99.802% in October 2015 at 4.4%, due October 15, 2022, interest payable semi-annually on April 15 and October 15 of each year
Long-term debt
Total long-term debt	$ 1,348,000,000	$ 1,348,000,000
Face amount of debt instrument	$ 1,350,000,000	$ 1,350,000,000
Discount to par (as a percent)	99.802%	99.802%
Interest rate	4.40%	4.40%
$2,500 issued at discount to par at a price of 99.725% in October 2015 at 4.9%, due October 15, 2025, interest payable semi-annually on April 15 and October 15 of each year
Long-term debt
Total long-term debt	$ 2,495,000,000	$ 2,495,000,000
Face amount of debt instrument	$ 2,500,000,000	$ 2,500,000,000
Discount to par (as a percent)	99.725%	99.725%
Interest rate	4.90%	4.90%
$750 issued at discount to par at a price of 99.942% in October 2015 at 6.2%, due October 15, 2035, interest payable semi-annually on April 15 and October 15 of each year
Long-term debt
Total long-term debt	$ 750,000,000	$ 750,000,000
Face amount of debt instrument	$ 750,000,000	$ 750,000,000
Discount to par (as a percent)	99.942%	99.942%
Interest rate	6.20%	6.20%
$1,500 issued at discount to par at a price of 99.932% in October 2015 at 6.35%, due October 15, 2045, interest payable semi-annually on April 15 and October 15 of each year
Long-term debt
Total long-term debt	$ 1,499,000,000	$ 1,499,000,000
Face amount of debt instrument	$ 1,500,000,000	$ 1,500,000,000
Discount to par (as a percent)	99.932%	99.932%
Interest rate	6.35%	6.35%
Other, including capital lease obligations, at 0.00%-4.91%, due in calendar years 2018-2030(1)
Long-term debt
Other, including capital lease obligations, at 0.00%-4.91%, due in calendar years 2018-2030(1)	$ 236,000,000	$ 286,000,000
Other, including capital lease obligations, at 0.00%-4.91%, due in calendar years 2018-2030(1) | Financial Services
Long-term debt
Other, including capital lease obligations	$ 131,000,000	$ 160,000,000
Other, including capital lease obligations, at 0.00%-4.91%, due in calendar years 2018-2030(1) | Minimum
Long-term debt
Interest rate	0.00%	0.00%
Other, including capital lease obligations, at 0.00%-4.91%, due in calendar years 2018-2030(1) | Maximum
Long-term debt
Interest rate	4.91%	4.91%