The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The interest rate on borrowings. [Refer: Borrowings]

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

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Debt Instrument, Issuance Price, Percentage

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Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed1

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Debt Instrument, Repurchased Face Amount1

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- Definition

Derivative, Fixed Interest Rate

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Borrowings - Reynolds Notes (Details) - USD ($)	Nov. 15, 2019	Feb. 15, 2018	Dec. 31, 2019	Dec. 31, 2017	Dec. 15, 2017	Aug. 05, 2016
5.750% Senior Secured Notes due 2020
Disclosure of detailed information about borrowings [line items]
Interest rate			5.75%		5.75%
6.875% Senior Secured Notes due 2021
Disclosure of detailed information about borrowings [line items]
Interest rate	6.875%	6.875%	6.875%
Aggregate principal amount repurchased	$ 345,000,000	$ 300,000,000
Redemption price, percentage of principal amount redeemed	100.00%	101.146%
Floating Rate Senior Secured Notes due 2021
Disclosure of detailed information about borrowings [line items]
Issue price, percentage			99.00%
Floating Rate Senior Secured Notes due 2021 \| Interest rate risk \| Interest rate swap derivatives
Disclosure of detailed information about borrowings [line items]
Effective interest rate			4.67%
Floating Rate Senior Secured Notes due 2021 \| LIBOR \| Floating rate instruments
Disclosure of detailed information about borrowings [line items]
Adjusted interest rate			3.50%
5.125% Senior Secured Notes due 2023
Disclosure of detailed information about borrowings [line items]
Issue price, percentage				103.50%
Aggregate principal						$ 250,000,000
Interest rate			5.125%			5.125%
7.000% Senior Notes due 2024
Disclosure of detailed information about borrowings [line items]
Interest rate			7.00%