Derivative Financial Instruments - Schedule of Notional Amounts (Details) - Derivatives In Cash Flow Hedging Relationships £ in Millions, $ in Millions, $ in Millions, $ in Millions	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Dec. 31, 2019 AUD ($)	Dec. 31, 2019 GBP (£)	Oct. 14, 2019 USD ($)
January 1, 2020 – December 31, 2020 | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts	$ 300
January 1, 2020 – December 31, 2020 | Europe & Africa | Interest Rate Derivatives
Derivative [Line Items]
Weighted Average Fixed Rate	0.95%	0.95%	0.95%	0.95%
January 1, 2020 – December 31, 2020 | Australia & New Zealand | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts			$ 140
Weighted Average Fixed Rate	1.59%	1.59%	1.59%	1.59%
January 1, 2021 – December 31, 2021 | Australia & New Zealand | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts			$ 40
Weighted Average Fixed Rate	0.71%	0.71%	0.71%	0.71%
January 1, 2021 – December 31, 2023 | North America | Interest Rate Cap
Derivative [Line Items]
Notional amounts	$ 200
Weighted Average Fixed Rate	3.25%	3.25%	3.25%	3.25%
January 1, 2020 – December 31, 2022 | Europe & Africa | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts | £				£ 500
Weighted Average Fixed Rate	0.94%	0.94%	0.94%	0.94%
January 4, 2021 – December 31, 2021 | Europe & Africa | Interest Rate Derivatives
Derivative [Line Items]
Weighted Average Fixed Rate	0.64%	0.64%	0.64%	0.64%
November 2, 2020 – December 1, 2020 | Foreign Exchange Forward
Derivative [Line Items]
Notional amounts	$ 150				$ 150
Weighted Average Fixed Rate	126.70%	126.70%	126.70%	126.70%	126.70%
Revolving Credit Facility | January 1, 2020 – December 31, 2020 | Interest Rate Derivatives
Derivative [Line Items]
Notional amounts	$ 50
Revolving Credit Facility | January 4, 2021 – December 31, 2021 | Interest Rate Derivatives
Derivative [Line Items]
Notional amounts	100
United States of America, Dollars | January 1, 2020 – December 31, 2020 | North America | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts	$ 1,300
Weighted Average Fixed Rate	1.84%	1.84%	1.84%	1.84%
United States of America, Dollars | January 1, 2021 – December 31, 2021 | North America | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts	$ 1,000
Weighted Average Fixed Rate	1.61%	1.61%	1.61%	1.61%
United States of America, Dollars | January 1, 2022 – December 31, 2022 | North America | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts	$ 800
Weighted Average Fixed Rate	1.28%	1.28%	1.28%	1.28%
United States of America, Dollars | January 1, 2023 – December 31, 2024 | North America | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts	$ 400
Weighted Average Fixed Rate	1.11%	1.11%	1.11%	1.11%
Canada, Dollars | January 1, 2020 – December 31, 2021 | North America | Interest Rate Swap Contracts
Derivative [Line Items]
Notional amounts		$ 125
Weighted Average Fixed Rate	2.46%	2.46%	2.46%	2.46%