SUPPLEMENTAL FINANCIAL INFORMATION - Other Long-Term Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Other Assets, Noncurrent
Deferred tax assets	$ 621			$ 483
Non-current receivables, net	163			146
Contract assets	68			30
Investments	76			44
Other	141			116
Other non-current assets	$ 1,069	$ 894	$ 823	$ 819	$ 918	$ 744	$ 704