1.0.0.3 false Statement Of Income (Parenthetical) (USD $) In Millions false 1 $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 false 2 $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 false 3 $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 5 3 amzn_StockBasedCompensationExpenseAssociatedWithFulfillmentExpense amzn false credit duration monetary Stock-based compensation expense associated with fulfillment expense. false false false false false false false false false 1 true true 79000000 79 false false 2 true true 61000000 61 false false 3 true true 39000000 39 false false Stock-based compensation expense associated with fulfillment expense. No authoritative reference available. false 6 3 amzn_StockBasedCompensationExpenseAssociatedWithSalesAndMarketingExpense amzn false credit duration monetary Stock-based compensation expense associated with sales and marketing expense. false false false false false false false false false 1 false true 20000000 20 false false 2 false true 13000000 13 false false 3 false true 8000000 8 false false Stock-based compensation expense associated with sales and marketing expense. No authoritative reference available. false 7 3 amzn_ShareBasedCompensationTechnologyAndContentExpense amzn false debit duration monetary Share based Compensation Technology And Content Expense false false false false false false false false false 1 false true 182000000 182 false false 2 false true 151000000 151 false false 3 false true 103000000 103 false false Share based Compensation Technology And Content Expense No authoritative reference available. false 8 3 amzn_StockBasedCompensationExpenseAssociatedWithGeneralAndAdministrativeExpense amzn false credit duration monetary Stock-based compensation expense associated with general and administrative expense. false false false false false false false false false 1 true true 60000000 60 false false 2 true true 50000000 50 false false 3 true true 35000000 35 false false Stock-based compensation expense associated with general and administrative expense. No authoritative reference available. false false 3 4 false Millions UnKnown UnKnown false true