T. Rowe Price Short-Term Bond Fund, Inc. Fixed income markets [Member] Market conditions [Member] Interest rates [Member] Mortgage- and asset-backed securities [Member] Prepayments and extensions [Member] Foreign investing [Member] Credit quality [Member] Derivatives [Member] Liquidity [Member] Portfolio turnover [Member] Active management [Member] Cybersecurity breaches [Member] T. Rowe Price Ultra Short-Term Bond Fund Municipal securities [Member] T. Rowe Price Short Duration Income Fund High yield investing [Member] Bank Loans [Member] Emerging markets [Member] TBAs and dollar rolls [Member] T. Rowe Price Short-Term Bond Fund, Inc.-Investor Class T. Rowe Price Short-Term Bond Fund, Inc.-I Class T. Rowe Price Short-Term Bond Fund, Inc.-Advisor Class T. Rowe Price Short-Term Bond Fund, Inc.-Z Class T. Rowe Price Ultra Short-Term Bond Fund-Investor Class T. Rowe Price Ultra Short-Term Bond Fund-I Class T. Rowe Price Ultra Short-Term Bond Fund-Z Class T. Rowe Price Short Duration Income Fund-Investor Class T. Rowe Price Short Duration Income Fund-I Class Bloomberg U.S. Aggregate Bond Index Bloomberg 1-3 Year U.S. Corporate Bond Index Lipper Short Investment Grade Debt Funds Average Bloomberg 1-3 Year U.S. Government/Credit Bond Index Bloomberg Short-Term Government/Corporate Index Lipper Ultra-Short Obligations Funds Average T. Rowe Price Short-Term Bond Fund, Inc. T. Rowe Price Short-Term Bond Fund, Inc.-Investor Class. T. Rowe Price Short-Term Bond Fund, Inc.-Advisor Class. T. Rowe Price Short-Term Bond Fund, Inc.-I Class. T. Rowe Price Short-Term Bond Fund, Inc.-Z Class. T. Rowe Price Ultra Short-Term Bond Fund. T. Rowe Price Ultra Short-Term Bond Fund-Investor Class. T. Rowe Price Ultra Short-Term Bond Fund-I Class. T. Rowe Price Ultra Short-Term Bond Fund-Z Class. T. Rowe Price Short Duration Income Fund. T. Rowe Price Short Duration Income Fund-Investor Class T. Rowe Price Short Duration Income Fund-I Class. Cybersecurity breaches. Active management. Liquidity. TBAs and dollar rolls. Derivatives. Emerging markets. Foreign investing. Bank Loans. High yield investing. Credit quality. Prepayments and extensions. Interest rates. Market conditions. Fixed income markets. Municipal securities. Portfolio turnover. Bloomberg U.S. Aggregate Bond Index. Bloomberg 1-3 Year U.S. Government/Credit Bond Index. Lipper Short Investment Grade Debt Funds Average. Bloomberg Short-Term Government/Corporate Index. Lipper Ultra-Short Obligations Funds Average. Bloomberg 1-3 Year U.S. Corporate Bond Index. Mortgage- and asset-backed securities.