Segment Reporting (Financial Information For Reportable Operating Segments And All Other Segments) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Jan. 01, 2017	Sep. 30, 2018	Oct. 01, 2017	Oct. 02, 2016
Segment Reporting Information [Line Items]
Revenues	$ 6,303.6	$ 6,310.3	$ 6,031.8	$ 6,073.7	$ 5,698.3	$ 5,661.5	$ 5,294.0	$ 5,732.9	$ 24,719.5	$ 22,386.8	$ 21,315.9
Depreciation and amortization expenses									1,247.0	1,011.4	980.8
Income from equity investees									301.2	391.4	318.2
Operating income	956.6	$ 1,038.2	$ 772.5	$ 1,116.1	1,022.5	$ 1,044.2	$ 935.4	$ 1,132.6	3,883.3	4,134.7	4,171.9
Total assets	24,156.4				14,365.6				24,156.4	14,365.6	14,312.5
Operating Segments [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Revenues									16,732.2	15,620.0	14,775.2
Depreciation and amortization expenses									638.3	614.9	590.0
Income from equity investees									0.0	0.0	0.0
Operating income									3,614.4	3,653.6	3,738.5
Total assets	4,380.9				3,327.2				4,380.9	3,327.2	3,424.6
Operating Segments [Member] | China/Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues									4,473.6	3,240.2	2,938.8
Depreciation and amortization expenses									412.1	202.2	180.6
Income from equity investees									117.4	197.0	150.1
Operating income									867.4	765.0	631.6
Total assets	5,863.5				2,770.9				5,863.5	2,770.9	2,740.2
Operating Segments [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Revenues									1,048.0	958.7	1,071.5
Depreciation and amortization expenses									31.7	30.6	39.9
Income from equity investees									0.0	0.0	1.5
Operating income									61.5	94.5	131.0
Total assets	356.4				273.8				356.4	273.8	552.1
Operating Segments [Member] | Channel Development [Member]
Segment Reporting Information [Line Items]
Revenues									2,297.3	2,256.6	2,195.1
Depreciation and amortization expenses									1.3	3.0	3.9
Income from equity investees									183.8	194.4	166.6
Operating income									927.1	967.0	877.3
Total assets	148.2				129.1				148.2	129.1	82.2
Operating Segments [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues									168.4	311.3	335.3
Depreciation and amortization expenses									163.6	160.7	166.4
Income from equity investees									0.0	0.0	0.0
Operating income									(1,587.1)	(1,345.4)	(1,206.5)
Total assets	$ 13,407.4				$ 7,864.6				$ 13,407.4	$ 7,864.6	$ 7,513.4