Borrowings - Narrative (Details)	Nov. 17, 2022 USD ($)	Oct. 31, 2022 USD ($) commercial_paper_program	Sep. 01, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)
Debt Instrument [Line Items]
Issuance costs		$ 80,000,000				$ 51,000,000
Discounts on debt issuance		17,000,000
Fair value adjustment related to hedged debt		$ (78,000,000)				$ (16,000,000)
Number of commercial paper programs | commercial_paper_program		2
Commercial paper
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 6,000,000,000
Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		5,000,000,000
Lines of credit
Debt Instrument [Line Items]
Uncommitted lines of credit		937,000,000
Forward Contracts | Cash flow hedges
Debt Instrument [Line Items]
Settlement, notional amount		1,500,000,000		$ 1,750,000,000	$ 1,500,000,000
U.S. Dollar Global Notes, Due In 2028 And 2033 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument				2,000,000,000
Issuance costs				17,000,000
$900 issued at discount to par at a price of 99.841% at 4.75%, due January 2028
Debt Instrument [Line Items]
Face amount of debt instrument		$ 900,000,000
Interest rate (percent)		4.75%
$900 issued at discount to par at a price of 99.841% at 4.75%, due January 2028 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument				$ 900,000,000
Interest rate (percent)				4.75%
$1,100 issued at discount to par at a price of 99.725% at 5.50%, due January 2033
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,100,000,000
Interest rate (percent)		5.50%
$1,100 issued at discount to par at a price of 99.725% at 5.50%, due January 2033 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument				$ 1,100,000,000
Interest rate (percent)				5.50%
U.S. Dollar Global Notes, Due In 2029 And 2032 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument					2,000,000,000
Issuance costs					17,000,000
$1,000 issued at discount to par at a price of 99.767% at 4.00%, due April 2029
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,000,000,000
Interest rate (percent)		4.00%
$1,000 issued at discount to par at a price of 99.767% at 4.00%, due April 2029 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument					$ 1,000,000,000
Interest rate (percent)					4.00%
$1,000 issued at discount to par at a price of 99.966% at 4.20%, due April 2032
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,000,000,000
Interest rate (percent)		4.20%
$1,000 issued at discount to par at a price of 99.966% at 4.20%, due April 2032 | Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument					$ 1,000,000,000
Interest rate (percent)					4.20%
Poly Notes | Senior Notes
Debt Instrument [Line Items]
Long-term debt		$ 9,000,000	$ 500,000,000
Poly Notes | Senior Notes | Subsequent event
Debt Instrument [Line Items]
Debt Instrument, repurchase amount	$ 498,000,000