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, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Tax
      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance $ 252 $ 284 $ 266
Additions for tax positions of the current year 13 13 16
Additions for tax positions of prior years 7 17 45
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances (22) (50) (27)
Settlements during the period (3) (11) (6)
Lapses of applicable statute of limitations (15) (1) (10)
Ending Balance 232 252 284
Interest
      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance 73 95 86
Additions for tax positions of the current year 0 0 0
Additions for tax positions of prior years 9 6 25
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances (18) (9) (10)
Settlements during the period (7) (19) (3)
Lapses of applicable statute of limitations (4) 0 (3)
Ending Balance 53 73 95
Penalties
      
Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Beginning Balance 3 7 8
Additions for tax positions of the current year 0 0 0
Additions for tax positions of prior years 1 0 2
Reductions for tax positions of prior years for:      
Changes based on facts and circumstances 0 (2) (3)
Settlements during the period 0 (1) 0
Lapses of applicable statute of limitations 0 (1) 0
Ending Balance $ 4 $ 3 $ 7