CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 626	$ 798
Restricted cash	5	5
Receivables:
Customer notes and accounts, net	2,706	2,423
Other	116	105
Inventories	1,830	1,743
Prepayments and other current assets	589	619
Total current assets	5,872	5,693
Property, plant, and equipment, net	2,955	3,057
Long-term receivables, net	9	8
Goodwill	508	508
Intangibles, net	1,154	1,194
Investments in nonconsolidated affiliates	532	581
Deferred income taxes	282	285
Other assets	525	526
Total assets	11,837	11,852
Current liabilities:
Short-term debt, including current maturities of long-term debt	124	162
Accounts payable	3,090	2,917
Accrued compensation and employee benefits	431	365
Accrued income taxes	65	54
Accrued expenses and other current liabilities	1,053	1,188
Total current liabilities	4,763	4,686
Long-term debt	5,111	5,171
Deferred income taxes	94	89
Pension and postretirement benefits	1,062	1,101
Deferred credits and other liabilities	511	546
Commitments and contingencies (Note 13)
Total liabilities	11,541	11,593
Redeemable noncontrolling interests	87	78
Tenneco Inc. shareholders’ equity:
Preferred stock - $0.01 par value; none issued	0	0
Additional paid-in capital	4,445	4,442
Accumulated other comprehensive loss	(789)	(744)
Accumulated deficit	(2,823)	(2,888)
Shares held as treasury stock - at cost: (March 31, 2021 and December 31, 2020 - 14,592,888)	(930)	(930)
Total Tenneco Inc. shareholders’ equity (deficit)	(96)	(119)
Noncontrolling interests	305	300
Total equity	209	181
Total liabilities, redeemable noncontrolling interests, and equity	11,837	11,852
Class A
Tenneco Inc. shareholders’ equity:
Common stock	1	1
Class B
Tenneco Inc. shareholders’ equity:
Common stock	$ 0	$ 0