Guarantor and Non-Guarantor Financial Information, Condensed Supplemental Consolidated Statements of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
Jun. 29, 2019	Jun. 30, 2018
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	$ 571	$ 556
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	(271)	(270)
Proceeds from sale of assets	0	3
(Contributions) distributions to/from subsidiaries	0	0
Intercompany advances (repayments)	0	0
Acquisition of business, net of cash acquired	2	(474)
Net cash from investing activities	(269)	(741)
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings	0	497
Repayments on long-term borrowings	(383)	(224)
Proceeds from issuance of common stock	43	17
Repurchase of common stock	(74)	0
Payment of tax receivable agreement	(16)	(37)
Contribution from Parent		0
Debt financing costs	0	(1)
Changes in intercompany balances	0	0
Net cash from financing activities	(430)	252
Effect of exchange rate changes on cash	2	(8)
Net change in cash	(126)	59
Cash and cash equivalents at beginning of period	381	306
Cash and cash equivalents at end of period	255	365
Eliminations [Member]
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	0	0
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	0	0
Proceeds from sale of assets	0	0
(Contributions) distributions to/from subsidiaries	0	474
Intercompany advances (repayments)	(193)	(314)
Acquisition of business, net of cash acquired	0	0
Net cash from investing activities	(193)	160
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings		0
Repayments on long-term borrowings	0	0
Proceeds from issuance of common stock	0	0
Repurchase of common stock	0
Payment of tax receivable agreement	0	0
Contribution from Parent		(474)
Debt financing costs		0
Changes in intercompany balances	193	314
Net cash from financing activities	193	(160)
Effect of exchange rate changes on cash	0	0
Net change in cash	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Parent [Member]
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	0	0
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	0	0
Proceeds from sale of assets	0	0
(Contributions) distributions to/from subsidiaries	31	(17)
Intercompany advances (repayments)	0	0
Acquisition of business, net of cash acquired	0	0
Net cash from investing activities	31	(17)
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings		0
Repayments on long-term borrowings	0	0
Proceeds from issuance of common stock	43	17
Repurchase of common stock	(74)
Payment of tax receivable agreement	(16)	(37)
Contribution from Parent		0
Debt financing costs		0
Changes in intercompany balances	16	37
Net cash from financing activities	(31)	17
Effect of exchange rate changes on cash	0	0
Net change in cash	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Issuer [Member]
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	109	29
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	0	(5)
Proceeds from sale of assets	0	0
(Contributions) distributions to/from subsidiaries	(31)	(457)
Intercompany advances (repayments)	193	314
Acquisition of business, net of cash acquired	0	0
Net cash from investing activities	162	(148)
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings		497
Repayments on long-term borrowings	(377)	(219)
Proceeds from issuance of common stock	0	0
Repurchase of common stock	0
Payment of tax receivable agreement	0	0
Contribution from Parent		0
Debt financing costs		(1)
Changes in intercompany balances	0	0
Net cash from financing activities	(377)	277
Effect of exchange rate changes on cash	0	0
Net change in cash	(106)	158
Cash and cash equivalents at beginning of period	133	18
Cash and cash equivalents at end of period	27	176
Guarantor Subsidiaries [Member]
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	448	480
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	(180)	(194)
Proceeds from sale of assets	0	0
(Contributions) distributions to/from subsidiaries	0	0
Intercompany advances (repayments)	0	0
Acquisition of business, net of cash acquired	2	(404)
Net cash from investing activities	(178)	(598)
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings		0
Repayments on long-term borrowings	(5)	(5)
Proceeds from issuance of common stock	0	0
Repurchase of common stock	0
Payment of tax receivable agreement	0	0
Contribution from Parent		404
Debt financing costs		0
Changes in intercompany balances	(267)	(291)
Net cash from financing activities	(272)	108
Effect of exchange rate changes on cash	0	0
Net change in cash	(2)	(10)
Cash and cash equivalents at beginning of period	4	12
Cash and cash equivalents at end of period	2	13
Non-Guarantor Subsidiaries [Member]
Condensed Supplemental Consolidated Statements of Cash Flows [Abstract]
Cash flow from operating activities	14	47
Cash Flow from Investing Activities [Abstract]
Additions to property, plant and equipment	(91)	(71)
Proceeds from sale of assets	0	3
(Contributions) distributions to/from subsidiaries	0	0
Intercompany advances (repayments)	0	0
Acquisition of business, net of cash acquired	0	(70)
Net cash from investing activities	(91)	(138)
Cash Flow from Financing Activities [Abstract]
Proceeds from long-term borrowings		0
Repayments on long-term borrowings	(1)	0
Proceeds from issuance of common stock	0	0
Repurchase of common stock	0
Payment of tax receivable agreement	0	0
Contribution from Parent		70
Debt financing costs		0
Changes in intercompany balances	58	(60)
Net cash from financing activities	57	10
Effect of exchange rate changes on cash	2	(8)
Net change in cash	(18)	(89)
Cash and cash equivalents at beginning of period	244	276
Cash and cash equivalents at end of period	$ 226	$ 187

Amount of cash inflow (outflow) from changes in intercompany balances.

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Amount of cash (outflow) inflow for (contributions to) distributions from subsidiaries.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.

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