Financial Statements for additional information on the write-down of receivables. The impact of these items was partially offset by favorable price mix in all of the segment's business units. 

North America's operating income for the years ended December 31, 2014 and 2013 was$2,447 million and $2,432 million, respectively. The segment was favorably impacted by positive price mix and lower commodity costs, partially offset by increased marketing investments. 

Operating income in Asia Pacific for the years ended December 31, 2014 and 2013 was$2,448 million and $2,478 million, respectively. Operating income was favorably impacted by a 5 percent increase in concentrate sales and a reduction in operating expenses, offset by the unfavorable impact of foreign currency exchange rate fluctuations of 8 percent. 

Our Bottling Investments segment's operating income for the years ended December 31, 2014 and 2013 was$9 million and $115 million, respectively. The primary reason for the decrease in operating income was the deconsolidation of the Company's Brazilian bottling operations in July 2013 and increased restructuring expenses incurred by our German bottling operations. In addition, fluctuations in foreign currency unfavorably impacted the segment's 2014 operating income by 4 percent. 

The Corporate segment's operating loss for the years ended December 31, 2014 and 2013 was$1,448 million and $1,651 million, respectively. Operating loss in 2013 was unfavorably impacted by a $195 million charge due to the impairment of certain intangible assets. 

Year Ended December 31, 2013 versus Year Ended December 31, 2012 

In 2013, foreign currency exchange rates unfavorably impacted consolidated operating income by 4 percent. The unfavorable impact of changes in foreign currency exchange rates was primarily due to a stronger U.S. dollar compared to certain other foreign currencies, including the South African rand, British pound, Brazilian real, Australian dollar and Japanese yen, which impacted the Eurasia and Africa, Europe, Latin America, Asia Pacific and Bottling Investments operating segments. The unfavorable impact of a stronger U.S. dollar compared to the currencies listed above was partially offset by the impact of a weaker U.S. dollar compared to certain other foreign currencies, including the euro and Mexican peso, which had a favorable impact on our Europe, Latin America and Bottling Investments operating segments. Refer to the heading "Liquidity, Capital Resources and Financial Position — Foreign Exchange" below. 

Operating income for Eurasia and Africa for the years ended December 31, 2013 and 2012 was$1,087 million and $1,078 million, respectively. In 2013, operating income was unfavorably impacted by fluctuations in foreign currency exchange rates by 8 percent. The segment’s operating income was also favorably impacted by volume and revenue growth during 2013, partially offset by continued investments in our brands and increased operating expenses. 

Europe’s operating income for the years ended December 31, 2013 and 2012 was$2,859 million and $2,960 million, respectively. In 2013, operating income was minimally impacted by fluctuations in