Financing arrangements (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Carrying values and the fixed contractual coupon rates of long-term borrowings

The carrying values and the fixed contractual coupon rates of our long-term borrowings were as follows (in millions):

	2013			2012
0.375% convertible notes due 2013 (0.375% 2013 Convertible Notes)	$	—		$	2,488
1.875% notes due 2014 (1.875% 2014 Notes)	1,000			1,000
4.85% notes due 2014 (4.85% 2014 Notes)	1,000			1,000
2.30% notes due 2016 (2.30% 2016 Notes)	749			749
2.50% notes due 2016 (2.50% 2016 Notes)	999			999
2.125% notes due 2017 (2.125% 2017 Notes)	1,248			1,248
5.85% notes due 2017 (5.85% 2017 Notes)	1,099			1,099
6.15% notes due 2018 (6.15% 2018 Notes)	500			499
Master Repurchase Agreement obligation due 2018	3,100			—
Term Loan due 2018	4,875			—
4.375% euro denominated notes due 2018 (4.375% 2018 euro Notes)	751			723
5.70% notes due 2019 (5.70% 2019 Notes)	999			999
2.125% euro denominated notes due 2019 (2.125% 2019 euro Notes)	925			887
4.50% notes due 2020 (4.50% 2020 Notes)	300			300
3.45% notes due 2020 (3.45% 2020 Notes)	898			897
4.10% notes due 2021 (4.10% 2021 Notes)	998			998
3.875% notes due 2021 (3.875% 2021 Notes)	1,746			1,745
3.625% notes due 2022 (3.625% 2022 Notes)	747			747
5.50% pound sterling denominated notes due 2026 (5.50% 2026 pound sterling Notes)	781			763
4.00% pound sterling denominated notes due 2029 (4.00% 2029 pound sterling Notes)	1,144			1,117
6.375% notes due 2037 (6.375% 2037 Notes)	899			899
6.90% notes due 2038 (6.90% 2038 Notes)	499			499
6.40% notes due 2039 (6.40% 2039 Notes)	996			996
5.75% notes due 2040 (5.75% 2040 Notes)	697			697
4.95% notes due 2041 (4.95% 2041 Notes)	596			595
5.15% notes due 2041 (5.15% 2041 Notes)	2,233			2,232
5.65% notes due 2042 (5.65% 2042 Notes)	1,244			1,244
5.375% notes due 2043 (5.375% 2043 Notes)	1,000			1,000
Other notes	105			109
Total debt	32,128			26,529
Less current portion	(2,505		)	(2,495		)
Total noncurrent debt	$	29,623		$	24,034

Schedule of interest rate derivatives

The effective interest rates on these notes after giving effect to the related interest rate swap contracts and the notional amounts of the contracts were as follows as of December 31, 2013 (dollar amounts in millions):

	Effective interest rate	Notional amount
3.45% 2020 Notes	LIBOR + 1.1%	$	900
4.10% 2021 Notes	LIBOR + 1.7%	1,000
3.875% 2021 Notes	LIBOR + 2.0%	1,750
3.625% 2022 Notes	LIBOR + 1.6%	750
		$	4,400

Aggregate contractual maturities of long-term debt obligations

The aggregate contractual maturities of all long-term debt obligations due subsequent to December 31, 2013, are as follows (in millions):

Maturity date	Amount
2014	$	2,505
2015	500
2016	2,250
2017	2,850
2018	7,228
Thereafter	16,873
Total	$	32,206