LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Long-Term Debt

We provide detail on our long-term debt balances, net of discounts, premiums, and debt issuance costs, in the following table at year-end 2018 and 2017:

($ in millions)	At Year-End 2018			At Year-End 2017
Senior Notes:
Series K Notes, interest rate of 3.0%, face amount of $600, maturing March 1, 2019 (effective interest rate of 4.4%)	$	600		$	598
Series L Notes, interest rate of 3.3%, face amount of $350, maturing September 15, 2022 (effective interest rate of 3.4%)	349			348
Series M Notes, interest rate of 3.4%, face amount of $350, maturing October 15, 2020 (effective interest rate of 3.6%)	349			348
Series N Notes, interest rate of 3.1%, face amount of $400, maturing October 15, 2021 (effective interest rate of 3.4%)	397			397
Series O Notes, interest rate of 2.9%, face amount of $450, maturing March 1, 2021 (effective interest rate of 3.1%)	448			447
Series P Notes, interest rate of 3.8%, face amount of $350, maturing October 1, 2025 (effective interest rate of 4.0%)	345			345
Series Q Notes, interest rate of 2.3%, face amount of $750, maturing January 15, 2022 (effective interest rate of 2.5%)	745			744
Series R Notes, interest rate of 3.1%, face amount of $750, maturing June 15, 2026 (effective interest rate of 3.3%)	743			743
Series S Notes, interest rate of 6.8%, face amount of $324, matured May 15, 2018 (effective interest rate of 1.7%)	—			330
Series T Notes, interest rate of 7.2%, face amount of $181, maturing December 1, 2019 (effective interest rate of 2.3%)	188			197
Series U Notes, interest rate of 3.1%, face amount of $291, maturing February 15, 2023 (effective interest rate of 3.1%)	291			291
Series V Notes, interest rate of 3.8%, face amount of $318, maturing March 15, 2025 (effective interest rate of 2.8%)	335			337
Series W Notes, interest rate of 4.5%, face amount of $278, maturing October 1, 2034 (effective interest rate of 4.1%)	292			292
Series X Notes, interest rate of 4.0%, face amount of $450, maturing April 15, 2028 (effective interest rate of 4.2%)	443			—
Series Y Notes, floating rate, face amount of $550, maturing December 1, 2020 (effective interest rate of 3.2% at December 31, 2018)	547			—
Series Z Notes, interest rate of 4.2%, face amount of $350, maturing December 1, 2023 (effective interest rate of 4.4%)	347			—
Series AA Notes, interest rate of 4.7%, face amount of $300, maturing December 1, 2028 (effective interest rate of 4.8%)	297			—
Commercial paper	2,245			2,371
Credit Facility	—			—
Capital lease obligations	163			171
Other	223			279
	$	9,347		$	8,238
Less: Current portion of long-term debt	(833		)	(398		)
	$	8,514		$	7,840

Future Principal Payments for Debt

The following table presents future principal payments, net of discounts, premiums, and debt issuance costs, for our debt as of year-end 2018:

Debt Principal Payments ($ in millions)	Amount
2019	$	833
2020	912
2021	3,108
2022	1,114
2023	695
Thereafter	2,685
Balance at year-end 2018	$	9,347