Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 267	$ 275	$ 275	$ 233	$ 223
Restricted cash	6	5
Receivables, net	1,288	1,060
Inventories	737	656
Deferred income taxes	71	71
Prepayments and other	259	223
Total current assets	2,628	2,290
Other assets:
Investment in affiliated companies	0	0
Notes and advances receivable from affiliates	0	0
Long-term receivables, net	14	14
Goodwill	69	69
Intangibles, net	29	30
Deferred income taxes	117	125
Other	128	127
Total other assets	357	365
Plant, property, and equipment, at cost	3,545	3,498
Less — Accumulated depreciation and amortization	(2,351)	(2,323)
Plant, property and equipment, net	1,194	1,175
Total Assets	4,179	3,830		3,878
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	106	83
Short-term debt — affiliated	0	0
Trade payables	1,430	1,359
Accrued taxes	44	40
Other	374	356
Total current liabilities	1,954	1,838
Long-term debt — non-affiliated	1,209	1,019
Long-term debt — affiliated	0	0
Deferred income taxes	29	28
Postretirement benefits and other liabilities	429	453
Total liabilities	3,621	3,338
Redeemable noncontrolling interests	25	20
Tenneco Inc. shareholders’ equity	491	433
Noncontrolling interests	42	39
Total equity	533	472		334
Total liabilities, redeemable noncontrolling interests and equity	4,179	3,830
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	2	6	6	4	4
Restricted cash	0
Receivables, net	593	387
Inventories	314	279
Deferred income taxes	88	87
Prepayments and other	41	35
Total current assets	1,038	794
Other assets:
Investment in affiliated companies	926	944
Notes and advances receivable from affiliates	1,030	1,026
Long-term receivables, net	12	12
Goodwill	22	22
Intangibles, net	12	13
Deferred income taxes	61	72
Other	45	44
Total other assets	2,108	2,133
Plant, property, and equipment, at cost	1,187	1,173
Less — Accumulated depreciation and amortization	(817)	(807)
Plant, property and equipment, net	370	366
Total Assets	3,516	3,293
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	0	0
Short-term debt — affiliated	217	247
Trade payables	539	521
Accrued taxes	9	9
Other	134	128
Total current liabilities	899	905
Long-term debt — non-affiliated	0	0
Long-term debt — affiliated	1,878	1,700
Deferred income taxes	0	0
Postretirement benefits and other liabilities	339	357
Total liabilities	3,116	2,962
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	400	331
Noncontrolling interests	0	0
Total equity	400	331
Total liabilities, redeemable noncontrolling interests and equity	3,516	3,293
Nonguarantor Subsidiaries
Current assets:
Cash and cash equivalents	265	269	269	229	219
Restricted cash	6
Receivables, net	1,464	1,306
Inventories	423	377
Deferred income taxes	0	0
Prepayments and other	217	188
Total current assets	2,375	2,145
Other assets:
Investment in affiliated companies	0	0
Notes and advances receivable from affiliates	8,124	7,320
Long-term receivables, net	2	2
Goodwill	47	47
Intangibles, net	17	17
Deferred income taxes	9	9
Other	61	60
Total other assets	8,260	7,455
Plant, property, and equipment, at cost	2,358	2,325
Less — Accumulated depreciation and amortization	(1,534)	(1,516)
Plant, property and equipment, net	824	809
Total Assets	11,459	10,409
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	91	68
Short-term debt — affiliated	336	176
Trade payables	1,066	1,011
Accrued taxes	35	31
Other	298	285
Total current liabilities	1,826	1,571
Long-term debt — non-affiliated	7	8
Long-term debt — affiliated	8,145	7,338
Deferred income taxes	29	28
Postretirement benefits and other liabilities	86	92
Total liabilities	10,093	9,037
Redeemable noncontrolling interests	25	20
Tenneco Inc. shareholders’ equity	1,299	1,313
Noncontrolling interests	42	39
Total equity	1,341	1,352
Total liabilities, redeemable noncontrolling interests and equity	11,459	10,409
Tenneco Inc
Current assets:
Cash and cash equivalents	0	0	0	0	0
Restricted cash	0
Receivables, net	16	16
Inventories	0	0
Deferred income taxes	7	7
Prepayments and other	1	0
Total current assets	24	23
Other assets:
Investment in affiliated companies	768	696
Notes and advances receivable from affiliates	5,004	4,826
Long-term receivables, net	0	0
Goodwill	0	0
Intangibles, net	0	0
Deferred income taxes	47	44
Other	22	23
Total other assets	5,841	5,589
Plant, property, and equipment, at cost	0	0
Less — Accumulated depreciation and amortization	0	0
Plant, property and equipment, net	0	0
Total Assets	5,865	5,612
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	15	15
Short-term debt — affiliated	10	10
Trade payables	0	0
Accrued taxes	0	0
Other	13	9
Total current liabilities	38	34
Long-term debt — non-affiliated	1,202	1,011
Long-term debt — affiliated	4,135	4,134
Deferred income taxes	0	0
Postretirement benefits and other liabilities	(1)	0
Total liabilities	5,374	5,179
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	491	433
Noncontrolling interests	0	0
Total equity	491	433
Total liabilities, redeemable noncontrolling interests and equity	5,865	5,612
Reclass & Elims
Current assets:
Cash and cash equivalents	0	0
Restricted cash	0
Receivables, net	(785)	(649)
Inventories	0	0
Deferred income taxes	(24)	(23)
Prepayments and other	0	0
Total current assets	(809)	(672)
Other assets:
Investment in affiliated companies	(1,694)	(1,640)
Notes and advances receivable from affiliates	(14,158)	(13,172)
Long-term receivables, net	0	0
Goodwill	0	0
Intangibles, net	0	0
Deferred income taxes	0	0
Other	0	0
Total other assets	(15,852)	(14,812)
Plant, property, and equipment, at cost	0	0
Less — Accumulated depreciation and amortization	0	0
Plant, property and equipment, net	0	0
Total Assets	(16,661)	(15,484)
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	0	0
Short-term debt — affiliated	(563)	(433)
Trade payables	(175)	(173)
Accrued taxes	0	0
Other	(71)	(66)
Total current liabilities	(809)	(672)
Long-term debt — non-affiliated	0	0
Long-term debt — affiliated	(14,158)	(13,172)
Deferred income taxes	0	0
Postretirement benefits and other liabilities	5	4
Total liabilities	(14,962)	(13,840)
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	(1,699)	(1,644)
Noncontrolling interests	0	0
Total equity	(1,699)	(1,644)
Total liabilities, redeemable noncontrolling interests and equity	$ (16,661)	$ (15,484)