Debt Instrument, Consolidated Fixed Charge Coverage Ratio

No definition available.

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- Definition

Maximum percentage of stock of certain first-tier foreign subsidiaries pledged to secure senior credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	ten_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 50
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt and Other Financing Arrangements - Senior Notes (Details)	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 14, 2020
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt	$ 2,000,000	$ 0	$ (10,000,000)
Debt instrument, redemption price, percentage of principal amount redeemed	100.00%
Maximum percentage of stock pledged	66.00%			66.00%
4.875% Euro Fixed Rate Notes due 2022
Debt Instrument [Line Items]
Stated rate	4.875%			4.875%	4.875%
Euro Floating Rate Notes due 2024
Debt Instrument [Line Items]
Stated rate	5.00%			5.00%
Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	100.00%
Senior Notes \| 5 3/8% Senior Notes due 2024
Debt Instrument [Line Items]
Stated rate	5.375%			5.375%
Principal amount	$ 225,000,000	225,000,000		€ 225,000,000
Senior Notes \| 5.000% Senior Notes due 2026
Debt Instrument [Line Items]
Stated rate	5.00%			5.00%
Principal amount	$ 500,000,000	500,000,000		€ 500,000,000
Senior Notes \| 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Stated rate	5.00%			5.00%
Principal amount	$ 428,000,000	392,000,000		€ 350,000,000
Senior Notes \| 7.875% Euro Fixed Rate Notes Due 2029
Debt Instrument [Line Items]
Stated rate	7.875%			7.875%
Principal amount	$ 500,000,000
Senior Notes \| 4.875% Euro Fixed Rate Notes due 2022
Debt Instrument [Line Items]
Stated rate	4.875%			4.875%
Principal amount	$ 0	465,000,000		€ 415,000,000
Debt instrument, redemption price, percentage of principal amount redeemed	100.00%
Senior Notes \| Euro Floating Rate Notes due 2024
Debt Instrument [Line Items]
Stated rate	4.875%			4.875%
Principal amount	$ 366,000,000	$ 336,000,000		€ 300,000,000
Line of Credit
Debt Instrument [Line Items]
Consolidated fixed coverage ratio	2.00
Debt Instrument, Redemption, Period One \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	40.00%
Debt Instrument, Redemption, Period One \| Senior Notes \| 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	5.00%
Debt Instrument, Redemption, Period One \| Senior Notes \| 7.875% Euro Fixed Rate Notes Due 2029
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	7.875%
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	101.00%
Debt Instrument, Redemption, Period Two \| Senior Notes \| 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	105.00%
Debt Instrument, Redemption, Period Two \| Senior Notes \| 7.875% Euro Fixed Rate Notes Due 2029
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	107.875%
Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	100.00%
Debt Instrument, Redemption, Period Four \| Senior Notes
Debt Instrument [Line Items]
Stated rate	101.00%			101.00%