.3 billion . we funded this redemption primarily through the issuance of long-term debt in may 2016 , as well as other sources of liquidity , including our u.s . commercial paper program , u.s . securitization program , and cash on hand . in connection with the redemption , all series a preferred stock was canceled and automatically retired . common stock our second amended and restated certificate of incorporation authorizes the issuance of up to 5.0 billion shares of common stock