BOEING CO had the following balance sheet information (all dollars are in millions) at the end of December, 2015 and 2014. Total assets were $94,408.0, and $99,198.0, respectively. Total liabilities were $88,011.0, and $90,408.0, respectively. For the years ended December, 2015 and 2014, BOEING CO's sales were $96,114.0 and $90,762.0, and its net income was $5,176.0 and $5,446.0, respectively. Compute the average equity (in millions) for BOEING CO.