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Tax Cuts and Jobs Act of 2017, Transition Tax for Accumulated Foreign Earnings, Liability

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Represents the number of stores.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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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.

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Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Percentage of fair value of reporting unit in excess of carrying amount.

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Summary of Significant Accounting Policies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Oct. 01, 2018	Jul. 31, 2018 branch	Oct. 01, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment additions	$ 2,106	$ 1,769	$ 1,246
Percentage of fair value in excess of carrying amount				52.00%
Advertising expense, net of reimbursements	0	0	0
Advertising reimbursements	41	35	19
Tax Cuts And Jobs Act Of 2017 transition tax	62
Tax Cuts and Jobs Act of 2017, transition tax, noncurrent	14
Operating leases, future minimum payments due	$ 707
Non-compete agreements
Property, Plant and Equipment [Line Items]
Finite lived intangible assets life	5 years
Trade names and associated trademarks
Property, Plant and Equipment [Line Items]
Finite lived intangible assets life	5 years
Reporting units excluding Pump Solutions
Property, Plant and Equipment [Line Items]
Percentage of fair value in excess of carrying amount						45.00%
Rental Equipment
Property, Plant and Equipment [Line Items]
Cost of goods and services sold	$ 864	714	629
Equipment Leased To Other Party, Refurbishment Program
Property, Plant and Equipment [Line Items]
Property, plant and equipment additions	$ 14	$ 10	$ 18
Minimum \| Customer relationships
Property, Plant and Equipment [Line Items]
Finite lived intangible assets life	5 years
Minimum \| Rental Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	2 years
Property, plant and equipment salvage value	0.00%
Minimum \| Property and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	2 years
Maximum \| Customer relationships
Property, Plant and Equipment [Line Items]
Finite lived intangible assets life	15 years
Maximum \| Rental Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	20 years
Property, plant and equipment salvage value	10.00%
Maximum \| Property and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	39 years
BakerCorp
Property, Plant and Equipment [Line Items]
Percentage of fair value in excess of carrying amount				7.00%
BakerCorp \| France, Germany, United Kingdom, and Netherlands
Property, Plant and Equipment [Line Items]
Number of branch locations \| branch					11
Topic 840 \| Total equipment rentals \| Product concentration risk
Property, Plant and Equipment [Line Items]
Percentage of equipment rental revenue	79.00%
Topic 840 \| Owned Equipment Rentals \| Total equipment rentals \| Product concentration risk
Property, Plant and Equipment [Line Items]
Percentage of equipment rental revenue	86.00%