Guarantor and Non-Guarantor Financial Information, Condensed Supplemental Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Guarantor and Non-Guarantor Financial Information [Abstract]
Percentage ownership in guarantor subsidiaries									100.00%
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales	$ 3,019	$ 1,937	$ 1,950	$ 1,972	$ 2,054	$ 2,072	$ 1,967	$ 1,776	$ 8,878	$ 7,869	$ 7,095
Cost of goods sold	2,511	1,551	1,578	1,619	1,705	1,690	1,596	1,447	7,259	6,438	5,691
Selling, general and administrative									583	480	494
Amortization of intangibles									194	154	154
Restructuring and transaction activities									(132)	36	24
Operating income									974	761	732
Other (income) expense, net									155	25	14
Interest expense, net									329	259	269
Equity in net income of subsidiaries									0	0	0
Income before income taxes									490	477	449
Income tax expense (benefit)									86	(19)	109
Net income	$ 229	$ 13	$ 74	$ 88	$ 133	$ 110	$ 90	$ 163	404	496	340
Currency translation									(71)	(127)	34
Pension and postretirement benefits									(55)	3	38
Derivative instruments									(111)	49	28
Provision for income taxes									7	(13)	(20)
Comprehensive income									174	408	420
Eliminations [Member]
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales									0	0	0
Cost of goods sold									0	0	0
Selling, general and administrative									0	0	0
Amortization of intangibles									0	0	0
Restructuring and transaction activities									0	0	0
Operating income									0	0	0
Other (income) expense, net									0	0	0
Interest expense, net									0	0	0
Equity in net income of subsidiaries									986	784	790
Income before income taxes									(986)	(784)	(790)
Income tax expense (benefit)									(86)	19	(109)
Net income									(900)	(803)	(681)
Currency translation									71	127	(34)
Pension and postretirement benefits									55	(3)	(38)
Derivative instruments									111	(49)	(28)
Provision for income taxes									(7)	13	20
Comprehensive income									(670)	(715)	(761)
Parent [Member]
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales									0	0	0
Cost of goods sold									0	0	0
Selling, general and administrative									0	0	0
Amortization of intangibles									0	0	0
Restructuring and transaction activities									0	0	0
Operating income									0	0	0
Other (income) expense, net									0	0	0
Interest expense, net									0	0	0
Equity in net income of subsidiaries									(490)	(477)	(449)
Income before income taxes									490	477	449
Income tax expense (benefit)									86	(19)	109
Net income									404	496	340
Currency translation									(71)	(127)	34
Pension and postretirement benefits									(55)	3	38
Derivative instruments									(111)	49	28
Provision for income taxes									7	(13)	(20)
Comprehensive income									174	408	420
Issuer [Member]
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales									561	574	587
Cost of goods sold									381	346	438
Selling, general and administrative									66	63	55
Amortization of intangibles									0	1	6
Restructuring and transaction activities									0	0	0
Operating income									114	164	88
Other (income) expense, net									163	8	8
Interest expense, net									20	8	12
Equity in net income of subsidiaries									(496)	(307)	(341)
Income before income taxes									427	455	409
Income tax expense (benefit)									23	(41)	69
Net income									404	496	340
Currency translation									136	(11)	0
Pension and postretirement benefits									(48)	0	25
Derivative instruments									(108)	49	28
Provision for income taxes									7	(13)	(20)
Comprehensive income									391	521	373
Guarantor Subsidiaries [Member]
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales									5,390	5,465	4,861
Cost of goods sold									4,500	4,558	3,920
Selling, general and administrative									333	309	335
Amortization of intangibles									135	127	120
Restructuring and transaction activities									52	20	14
Operating income									370	451	472
Other (income) expense, net									0	8	(1)
Interest expense, net									219	225	229
Equity in net income of subsidiaries									0	0	0
Income before income taxes									151	218	244
Income tax expense (benefit)									(2)	(2)	0
Net income									153	220	244
Currency translation									0	(3)	0
Pension and postretirement benefits									0	0	0
Derivative instruments									0	0	0
Provision for income taxes									0	0	0
Comprehensive income									153	217	244
Non-Guarantor Subsidiaries [Member]
Condensed Supplemental Consolidated Statements of Operations [Abstract]
Net sales									2,927	1,830	1,647
Cost of goods sold									2,378	1,534	1,333
Selling, general and administrative									184	108	104
Amortization of intangibles									59	26	28
Restructuring and transaction activities									(184)	16	10
Operating income									490	146	172
Other (income) expense, net									(8)	9	7
Interest expense, net									90	26	28
Equity in net income of subsidiaries									0	0	0
Income before income taxes									408	111	137
Income tax expense (benefit)									65	24	40
Net income									343	87	97
Currency translation									(207)	(113)	34
Pension and postretirement benefits									(7)	3	13
Derivative instruments									(3)	0	0
Provision for income taxes									0	0	0
Comprehensive income									$ 126	$ (23)	$ 144