Commitments and Contingencies - Schedule of Components of Purchase Commitments (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Long-term Purchase Commitment [Line Items]
Payments Due by Remainder of Fiscal Year, 2014	$ 127
Payments Due by Fiscal Year, 2015	379
Payments Due by Fiscal Year, 2016	325
Payments Due by Fiscal Year, 2017	229
Payments Due by Fiscal Year, 2018	221
Payments Due, Thereafter	2,881
Payments Due, Total	4,162
Reinforcement Materials [Member]
Long-term Purchase Commitment [Line Items]
Payments Due by Remainder of Fiscal Year, 2014	102
Payments Due by Fiscal Year, 2015	318
Payments Due by Fiscal Year, 2016	280
Payments Due by Fiscal Year, 2017	189
Payments Due by Fiscal Year, 2018	181
Payments Due, Thereafter	2,628
Payments Due, Total	3,698
Performance Materials [Member]
Long-term Purchase Commitment [Line Items]
Payments Due by Remainder of Fiscal Year, 2014	12
Payments Due by Fiscal Year, 2015	39
Payments Due by Fiscal Year, 2016	33
Payments Due by Fiscal Year, 2017	29
Payments Due by Fiscal Year, 2018	30
Payments Due, Thereafter	236
Payments Due, Total	379
Advanced Technologies [Member]
Long-term Purchase Commitment [Line Items]
Payments Due by Remainder of Fiscal Year, 2014	1
Payments Due by Fiscal Year, 2015	2
Payments Due by Fiscal Year, 2016	1
Payments Due by Fiscal Year, 2017	1
Payments Due by Fiscal Year, 2018	1
Payments Due, Thereafter
Payments Due, Total	6
Purification Solutions [Member]
Long-term Purchase Commitment [Line Items]
Payments Due by Remainder of Fiscal Year, 2014	12
Payments Due by Fiscal Year, 2015	20
Payments Due by Fiscal Year, 2016	11
Payments Due by Fiscal Year, 2017	10
Payments Due by Fiscal Year, 2018	9
Payments Due, Thereafter	17
Payments Due, Total	$ 79