Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Summarized Activity Related to Unrecognized Tax Benefits (Detail)

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INCOME TAXES - Summarized Activity Related to Unrecognized Tax Benefits (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Tax      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance $ 160 $ 144 $ 148
Additions for tax positions of the current year 47 16 17
Additions for tax positions of prior years 7 33 20
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances (43) (24) (41)
Settlements during the period (1) (6) 0
Lapses of applicable statute of limitations (3) (3) 0
Ending Balance 167 160 144
Interest      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance 43 50 53
Additions for tax positions of the current year 0 0 0
Additions for tax positions of prior years 10 14 10
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances (8) (18) (13)
Settlements during the period (1) (3) 0
Lapses of applicable statute of limitations 0 0 0
Ending Balance 44 43 50
Penalties      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance 9 6 6
Additions for tax positions of the current year 1 0 0
Additions for tax positions of prior years 0 3 0
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances (5) 0 0
Settlements during the period 0 0 0
Lapses of applicable statute of limitations 0 0 0
Ending Balance $ 5 $ 9 $ 6