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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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Amount of increase (decrease) in operating liabilities classified as other.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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NEW ACCOUNTING PRONOUNCEMENTS - Revenue and Restricted Cash Standards Impact on Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
OPERATING ACTIVITIES
Net income including noncontrolling interest	$ 438.3	$ 396.6	$ 1,040.1	$ 950.2	$ 1,518.6	$ 1,246.5
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income taxes			56.6	9.8
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable			(161.3)	(23.2)
Other liabilities			(173.8)	(106.4)
Cash provided by operating activities			1,450.4	1,444.9
INVESTING ACTIVITIES
Cash used for investing activities			(648.9)	(1,421.9)
Effect of exchange rate changes on cash, cash equivalents and restricted cash			10.2	6.2
Decrease in cash, cash equivalents and restricted cash			(7.8)	(171.3)
Cash, cash equivalents and restricted cash, beginning of period			211.4	380.4	380.4
Cash, cash equivalents and restricted cash, end of period	$ 203.6	209.1	$ 203.6	209.1	211.4	380.4
Previously Reported
OPERATING ACTIVITIES
Net income including noncontrolling interest		395.8		950.7
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income taxes				10.4
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable				(23.5)
Other liabilities				(107.2)
Cash provided by operating activities				1,444.9
INVESTING ACTIVITIES
Restricted cash activity				53.8
Cash used for investing activities				(1,368.1)
Effect of exchange rate changes on cash, cash equivalents and restricted cash				5.4
Decrease in cash, cash equivalents and restricted cash				(118.3)
Cash, cash equivalents and restricted cash, beginning of period				327.4	327.4
Cash, cash equivalents and restricted cash, end of period		209.1		209.1		327.4
Adjustment \| Restricted Cash Standard Adoption
INVESTING ACTIVITIES
Restricted cash activity				(53.8)
Cash used for investing activities				(53.8)
Effect of exchange rate changes on cash, cash equivalents and restricted cash				0.8
Decrease in cash, cash equivalents and restricted cash				(53.0)
Cash, cash equivalents and restricted cash, beginning of period				53.0	$ 53.0
Cash, cash equivalents and restricted cash, end of period						$ 53.0
Adjustment \| Revenue Standard Adoption
OPERATING ACTIVITIES
Net income including noncontrolling interest		$ 0.8		(0.5)
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income taxes				(0.6)
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable				0.3
Other liabilities				$ 0.8