Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The following table sets forth the gross carrying amounts and accumulated amortization of the Company's other intangible assets as of March 31, 2016 and September 25, 2015 ($ in millions):



	March 31, 2016					September 25, 2015
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortizable:
Contracts and related customer relationships	$	8,223	$	(5,274	)	$	8,147	$	(5,183	)
Other	41		(7		)	41		(6		)
Total	$	8,264	$	(5,281	)	$	8,188	$	(5,189	)

The changes in the net carrying amount of contracts and related customer relationships during the six months ended March 31, 2016 were as follows ($ in millions):



Balance as of September 25, 2015	$	2,964
Customer contract additions, net of dealer charge-backs	285
Amortization	(308		)
Currency translation and other	8
Balance as of March 31, 2016	$	2,949

Finite-lived Intangible Assets Amortization Expense

Intangible asset amortization expense for the quarters and six months ended March 31, 2016 and March 27, 2015 was as follows ($ in millions):



	For the Quarters Ended				For the Six Months Ended
	March 31, 2016		March 27, 2015		March 31, 2016		March 27, 2015
Intangible asset amortization expense	$	155	$	153	$	309	$	309

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated aggregate amortization expense for intangible assets is expected to be as follows ($ in millions):



Remainder of fiscal 2016	$	296
Fiscal 2017	516
Fiscal 2018	430
Fiscal 2019	368
Fiscal 2020	295
Fiscal 2021	214