Debt and Credit Facilities (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Summary of Debt Carrying Amount

The following table summarizes our borrowings under our senior unsecured notes (in millions):

			Carrying Amount
Issue Date	Maturity Date	Interest Rate	September 30, 2020		December 31, 2019
November 2014	February 2020	2.35%	$	—	$	500
September 2015	September 2020	2.55%	—		1,999
March 2011	April 2021	4.50%	999		998
September 2020	September 2021	3-month LIBOR + 0.15%	499		—
December 2011	December 2021	4.40%	1,249		1,248
September 2016	March 2022	1.95%	499		499
September 2015	September 2022	3.25%	998		998
September 2016	September 2023	2.50%	747		747
September 2020	September 2023	3-month LIBOR + 0.52%	496		—
September 2020	September 2023	0.75%	1,992		—
March 2014	April 2024	3.70%	1,746		1,745
November 2014	February 2025	3.50%	1,746		1,746
September 2015	March 2026	3.65%	2,736		2,734
September 2016	March 2027	2.95%	1,246		1,245
September 2020	October 2027	1.20%	745		—
September 2020	October 2030	1.65%	992		—
September 2015	September 2035	4.60%	991		991
September 2016	September 2036	4.00%	741		741
September 2020	October 2040	2.60%	986		—
December 2011	December 2041	5.65%	996		995
March 2014	April 2044	4.80%	1,735		1,734
November 2014	February 2045	4.50%	1,732		1,731
September 2015	March 2046	4.75%	2,218		2,217
September 2016	March 2047	4.15%	1,726		1,725
September 2020	October 2050	2.80%	1,475		—
Total debt, net			29,290		24,593
Less: current portion			1,498		2,499
Total long-term debt, net			$	27,792	$	22,094