Consolidated debt at December 31, 2014 and September 30, 2015 was as follows (in thousands, except as otherwise noted):



	December 31, 2014		September 30, 2015		Weighted-Average Interest Rate for the Nine Months Ended September 30, 2015 ⁽¹⁾
Commercial paper⁽²⁾	$	296,942	$	226,966	0.5%
$250.0 million of 5.65% Notes due 2016	250,758		250,440		5.7%
$250.0 million of 6.40% Notes due 2018	257,280		255,731		5.4%
$550.0 million of 6.55% Notes due 2019	567,868		565,064		5.7%
$550.0 million of 4.25% Notes due 2021	556,304		555,601		4.0%
$250.0 million of 3.20% Notes due 2025⁽²⁾	—		249,694		3.2%
$250.0 million of 6.40% Notes due 2037	249,017		249,031		6.4%
$250.0 million of 4.20% Notes due 2042	248,406		248,429		4.2%
$550.0 million of 5.15% Notes due 2043	556,320		556,245		5.1%
$250.0 million of 4.20% Notes due 2045⁽²⁾	—		249,913		4.6%
Total debt	$	2,982,895	$	3,407,114	4.7%


(1)	Weighted-average interest rate includes the amortization/accretion of discounts, premiums and gains/losses realized on historical cash flow and fair value hedges recognized as interest expense.


(2)	These borrowings were outstanding for only a portion of the nine-month period ending September 30, 2015. The weighted-average interest rate for these borrowings was calculated based on the number of days the borrowings were outstanding during the noted period.