DESCRIPTION OF BUSINESS AND RELATED MATTERS (Details)					1 Months Ended		6 Months Ended
	Jun. 08, 2018 USD ($) shares	May 24, 2018 USD ($)	May 23, 2018 USD ($)	Jan. 08, 2018 USD ($)	Apr. 30, 2018 USD ($)	Jan. 31, 2018 USD ($)	Jun. 30, 2018 USD ($) segment shares	Dec. 31, 2017 shares
Description Of Business [Line Items]
Number of reportable business segments | segment							2
Dividends		$ 2.035		$ 1,499,935,000			$ 1,499,935,000
Stock repurchase program authorized amount							$ 2,000,000,000
Payments to Acquire Businesses, Gross					$ 10,125,000
Dividends, Paid-in-kind	$ 0.672
Dividends Payable, Date of Record			$ 0.4163
Common Class A
Description Of Business [Line Items]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest | shares	489,384,523						492,812,285	246,982,292
Common Class B [Member]
Description Of Business [Line Items]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest | shares							247,684,443	490,086,674
Fees for Executive Services | Affiliates
Description Of Business [Line Items]
Related party transaction, annual fee							$ 30,000,000
ATS Acquisition
Description Of Business [Line Items]
Entities under common control, percentage of voting interst acquired						70.00%
Entities under common control, consideration transferred						$ 1.00
Total Stockholders' Equity
Description Of Business [Line Items]
Dividends							1,499,935,000
Paid-in Capital
Description Of Business [Line Items]
Dividends							963,711,000
Retained Earnings
Description Of Business [Line Items]
Dividends							$ (536,224,000)