LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Long-Term Debt

We provide detail on our long-term debt balances in the following table at year-end 2015 and 2014:

($ in millions)	At Year-End 2015			At Year-End 2014
Senior Notes:
Series G Notes, interest rate of 5.8%, face amount of $316, matured November 10, 2015 (effective interest rate of 6.6%)	$	—		$	314
Series H Notes, interest rate of 6.2%, face amount of $289, maturing June 15, 2016 (effective interest rate of 6.3%)	289			289
Series I Notes, interest rate of 6.4%, face amount of $293, maturing June 15, 2017 (effective interest rate of 6.5%)	293			293
Series K Notes, interest rate of 3.0%, face amount of $600, maturing March 1, 2019 (effective interest rate of 4.4%)	595			594
Series L Notes, interest rate of 3.3%, face amount of $350, maturing September 15, 2022 (effective interest rate of 3.4%)	348			347
Series M Notes, interest rate of 3.4%, face amount of $350, maturing October 15, 2020 (effective interest rate of 3.6%)	347			346
Series N Notes, interest rate of 3.1%, face amount of $400, maturing October 15, 2021 (effective interest rate of 3.4%)	395			394
Series O Notes, interest rate of 2.9%, face amount of $450, maturing March 1, 2021 (effective interest rate of 3.1%)	446			—
Series P Notes, interest rate of 3.8%, face amount of $350, maturing October 1, 2025 (effective interest rate of 4.0%)	343			—
Commercial paper, average interest rate of 0.6% at December 31, 2015	938			1,072
$2,000 Credit Facility	—			—
Other	113			122
	$	4,107		$	3,771
Less: Current portion of long-term debt	(300		)	(324		)
	$	3,807		$	3,447

Debt Principal Payments (Net of Unamortized Discounts)

The following table presents future principal payments for our debt as of year-end 2015:

Debt Principal Payments (net of unamortized discounts) ($ in millions)	Amount
2016	$	300
2017	302
2018	947
2019	605
2020	357
Thereafter	1,596
Balance at year-end 2015	$	4,107