Derivative Instruments and Hedging Activities - Additional Information (Detail) lb in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2015	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) lb	Jun. 30, 2014 USD ($)	Dec. 14, 2014 USD ($)	Sep. 30, 2014 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of terminated interest rate swaps to interest expense within the next 12 months		$ 6,000,000		$ 6,000,000
Cash Flow Hedges [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
After-tax loss recognized in other comprehensive income (loss)				12,000,000
Fixed to Floating Interest Rate Swaps Agreements [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		$ 375,000,000		$ 375,000,000			$ 375,000,000
Debt Instrument, Interest Rate		3.125%		3.125%
Interest rate swap agreement conversion description				The outstanding swaps represent fixed-to-floating interest rate swap agreements the Company entered into, in March and September 2014, to convert the interest payments on $375 million of the Company's 3.125% notes, due November 8, 2021, from the fixed rate to a floating interest rate based on LIBOR.
Debt Instrument, Maturity Date				Nov. 08, 2021
(Loss) gain recorded on fair value hedges		$ (7,000,000)		$ 9,000,000
Offsetting (gain) loss recorded on underlying debt		(7,000,000)		9,000,000
Commodity Forward Contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		31,000,000		$ 31,000,000			0
Percentage of resin spend covered by hedge program	13.00%
Total notional volume | lb				61
Commodity Forward Contracts [Member] | Cash Flow Hedges [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
After-tax loss recognized in other comprehensive income (loss)		4,000,000		$ 4,000,000
Forward Exchange Contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		1,500,000,000		1,500,000,000			1,800,000,000
Interest Rate Swaps [Member] | CareFusion [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount						$ 2,300,000,000
Interest Rate Swaps [Member] | Cash Flow Hedges [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		$ 0		0			$ 0
Interest Rate Swaps [Member] | Cash Flow Hedges [Member] | CareFusion [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
After-tax loss recognized in other comprehensive income (loss)			$ 0	$ 8,000,000	$ 0