.3 billion in 2014 , and $ 2.1 billion in 2013 . basis of presentation 2013 the consolidated financial statements are presented in accordance with accounting principles generally accepted in the u.s . ( gaap ) as codified in the financial accounting standards board ( fasb ) accounting standards codification ( asc ) . certain prior period amounts in the statement of cash flows and income tax footnote have been aggregated or disaggregated further to conform to the current period financial presentation . 2