For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Related Party Transactions (Details) $ in Millions	6 Months Ended
Related Party Transactions (Details) $ in Millions	Mar. 31, 2020 USD ($) director	Mar. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)
Related Party Transaction [Line Items]
Number of directors \| director	7
Flex Ltd \| Affiliated Entity
Related Party Transaction [Line Items]
Accounts payable, related parties	$ 6		$ 6
Accounts Receivable, Related Parties	1
Flex Ltd \| Purchased Goods And Services From Flex Ltd. \| Board of Directors Chairman
Related Party Transaction [Line Items]
Cost of goods and services sold	$ 16	$ 16
Non-Employee Director
Related Party Transaction [Line Items]
Number of directors \| director	6