Acquired Intangible Assets - Components of Gross and Net Intangible Asset Balances (Details) - USD ($) $ in Millions	Dec. 31, 2016	Sep. 24, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Definite-lived and amortizable acquired intangible assets, gross carrying amount	$ 7,472	$ 8,912
Definite-lived and amortizable acquired intangible assets, accumulated amortization	(4,724)	(5,806)
Definite-lived and amortizable acquired intangible assets, net carrying amount	2,748	3,106
Indefinite-lived and non-amortizable acquired intangible assets	100	100
Total acquired intangible assets, gross carrying amount	7,572	9,012
Total acquired intangible assets, net carrying amount	$ 2,848	$ 3,206