Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Long-term Debt

A summary of Long-term Debt follows:

(Stated in millions)
	Mar. 31,		Dec. 31,
	2015		2014
3.30% Senior Notes due 2021	$	1,597	$	1,597
3.65% Senior Notes due 2023		1,496		1,495
1.95% Senior Notes due 2016		1,100		1,100
4.20% Senior Notes due 2021		1,100		1,100
1.25% Senior Notes due 2017		1,000		1,000
2.40% Senior Notes due 2022		999		999
1.50% Guaranteed Notes due 2019		561		628
2.65% Senior Notes due 2016		—		500
Commercial paper borrowings		444		1,538
Other		601		608
	$	8,898	$	10,565